diff --git a/cairo0-bootloader/bootloader/hash_program.py b/cairo0-bootloader/bootloader/hash_program.py
index de59519..40b34ed 100644
--- a/cairo0-bootloader/bootloader/hash_program.py
+++ b/cairo0-bootloader/bootloader/hash_program.py
@@ -4,17 +4,26 @@
 from starkware.cairo.common.hash_chain import compute_hash_chain
 from starkware.cairo.lang.compiler.program import Program, ProgramBase
 from starkware.cairo.lang.version import __version__
-from starkware.cairo.lang.vm.crypto import get_crypto_lib_context_manager, poseidon_hash_many
+from starkware.cairo.lang.vm.crypto import (
+    get_crypto_lib_context_manager,
+    poseidon_hash_many,
+)
 from starkware.python.utils import from_bytes
 
 
-def compute_program_hash_chain(program: ProgramBase, use_poseidon: bool, bootloader_version=0):
+def compute_program_hash_chain(
+    program: ProgramBase, use_poseidon: bool, bootloader_version=0
+):
     """
     Computes a hash chain over a program, including the length of the data chain.
     """
     builtin_list = [from_bytes(builtin.encode("ascii")) for builtin in program.builtins]
     # The program header below is missing the data length, which is later added to the data_chain.
-    program_header = [bootloader_version, program.main, len(program.builtins)] + builtin_list
+    program_header = [
+        bootloader_version,
+        program.main,
+        len(program.builtins),
+    ] + builtin_list
     data_chain = program_header + program.data
 
     if use_poseidon:
@@ -23,8 +32,12 @@ def compute_program_hash_chain(program: ProgramBase, use_poseidon: bool, bootloa
 
 
 def main():
-    parser = argparse.ArgumentParser(description="A tool to compute the hash of a cairo program")
-    parser.add_argument("-v", "--version", action="version", version=f"%(prog)s {__version__}")
+    parser = argparse.ArgumentParser(
+        description="A tool to compute the hash of a cairo program"
+    )
+    parser.add_argument(
+        "-v", "--version", action="version", version=f"%(prog)s {__version__}"
+    )
     parser.add_argument(
         "--program",
         type=argparse.FileType("r"),
@@ -48,7 +61,13 @@ def main():
 
     with get_crypto_lib_context_manager(args.flavor):
         program = Program.Schema().load(json.load(args.program))
-        print(hex(compute_program_hash_chain(program=program, use_poseidon=args.use_poseidon)))
+        print(
+            hex(
+                compute_program_hash_chain(
+                    program=program, use_poseidon=args.use_poseidon
+                )
+            )
+        )
 
 
 if __name__ == "__main__":
diff --git a/cairo0-bootloader/bootloader/objects.py b/cairo0-bootloader/bootloader/objects.py
index 71fc221..6f27ac8 100644
--- a/cairo0-bootloader/bootloader/objects.py
+++ b/cairo0-bootloader/bootloader/objects.py
@@ -102,6 +102,7 @@ def load_task(self, memory=None, args_start=None, args_len=None) -> "CairoPieTas
                 use_poseidon=self.use_poseidon,
             )
 
+
 @marshmallow_dataclass.dataclass(frozen=True)
 class CairoSierra(TaskSpec):
     TYPE: ClassVar[str] = "CairoSierra"
diff --git a/cairo0-bootloader/bootloader/recursive/builtins.py b/cairo0-bootloader/bootloader/recursive/builtins.py
index afd5fe2..a94d066 100644
--- a/cairo0-bootloader/bootloader/recursive/builtins.py
+++ b/cairo0-bootloader/bootloader/recursive/builtins.py
@@ -7,4 +7,4 @@
         RANGE_CHECK_BUILTIN,
         BITWISE_BUILTIN,
     ]
-)
\ No newline at end of file
+)
diff --git a/cairo0-bootloader/bootloader/recursive/execute_task.cairo b/cairo0-bootloader/bootloader/recursive/execute_task.cairo
index f7d9a8e..b6ecd6b 100644
--- a/cairo0-bootloader/bootloader/recursive/execute_task.cairo
+++ b/cairo0-bootloader/bootloader/recursive/execute_task.cairo
@@ -243,4 +243,4 @@ func execute_task{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
 
     let builtin_ptrs = &return_builtin_ptrs;
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/recursive/run_simple_bootloader.cairo b/cairo0-bootloader/bootloader/recursive/run_simple_bootloader.cairo
index 93185ef..03d64f6 100644
--- a/cairo0-bootloader/bootloader/recursive/run_simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/recursive/run_simple_bootloader.cairo
@@ -11,10 +11,7 @@ from common.registers import get_fp_and_pc
 // Updated builtin pointers after executing all programs.
 // fact_topologies - that corresponds to the tasks (hint variable).
 func run_simple_bootloader{
-    output_ptr: felt*,
-    pedersen_ptr: HashBuiltin*,
-    range_check_ptr,
-    bitwise_ptr,
+    output_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr, bitwise_ptr
 }() {
     alloc_locals;
     local task_range_check_ptr;
@@ -45,17 +42,11 @@ func run_simple_bootloader{
 
     // A struct containing the encoding of each builtin.
     local builtin_encodings: BuiltinData = BuiltinData(
-        output='output',
-        pedersen='pedersen',
-        range_check='range_check',
-        bitwise='bitwise',
+        output='output', pedersen='pedersen', range_check='range_check', bitwise='bitwise'
     );
 
     local builtin_instance_sizes: BuiltinData = BuiltinData(
-        output=1,
-        pedersen=3,
-        range_check=1,
-        bitwise=5,
+        output=1, pedersen=3, range_check=1, bitwise=5
     );
 
     // Call execute_tasks.
@@ -152,4 +143,4 @@ func execute_tasks{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
         builtin_instance_sizes=builtin_instance_sizes,
         n_tasks=n_tasks - 1,
     );
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/recursive/simple_bootloader.cairo b/cairo0-bootloader/bootloader/recursive/simple_bootloader.cairo
index 3d4bf30..5b3b309 100644
--- a/cairo0-bootloader/bootloader/recursive/simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/recursive/simple_bootloader.cairo
@@ -1,17 +1,10 @@
 %builtins output pedersen range_check bitwise
 
-from bootloader.recursive.run_simple_bootloader import (
-    run_simple_bootloader,
-)
+from bootloader.recursive.run_simple_bootloader import run_simple_bootloader
 from common.cairo_builtins import HashBuiltin
 from common.registers import get_fp_and_pc
 
-func main{
-    output_ptr: felt*,
-    pedersen_ptr: HashBuiltin*,
-    range_check_ptr,
-    bitwise_ptr,
-}() {
+func main{output_ptr: felt*, pedersen_ptr: HashBuiltin*, range_check_ptr, bitwise_ptr}() {
     %{
         from bootloader.objects import SimpleBootloaderInput
         simple_bootloader_input = SimpleBootloaderInput.Schema().load(program_input)
@@ -44,4 +37,4 @@ func main{
             )
     %}
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/recursive_with_poseidon/builtins.py b/cairo0-bootloader/bootloader/recursive_with_poseidon/builtins.py
index bb4b337..78f19ac 100644
--- a/cairo0-bootloader/bootloader/recursive_with_poseidon/builtins.py
+++ b/cairo0-bootloader/bootloader/recursive_with_poseidon/builtins.py
@@ -8,4 +8,4 @@
         BITWISE_BUILTIN,
         POSEIDON_BUILTIN,
     ]
-)
\ No newline at end of file
+)
diff --git a/cairo0-bootloader/bootloader/recursive_with_poseidon/execute_task.cairo b/cairo0-bootloader/bootloader/recursive_with_poseidon/execute_task.cairo
index 5213a85..12f6b77 100644
--- a/cairo0-bootloader/bootloader/recursive_with_poseidon/execute_task.cairo
+++ b/cairo0-bootloader/bootloader/recursive_with_poseidon/execute_task.cairo
@@ -250,4 +250,4 @@ func execute_task{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
 
     let builtin_ptrs = &return_builtin_ptrs;
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/recursive_with_poseidon/run_simple_bootloader.cairo b/cairo0-bootloader/bootloader/recursive_with_poseidon/run_simple_bootloader.cairo
index 46d1071..ffaa8f9 100644
--- a/cairo0-bootloader/bootloader/recursive_with_poseidon/run_simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/recursive_with_poseidon/run_simple_bootloader.cairo
@@ -55,11 +55,7 @@ func run_simple_bootloader{
     );
 
     local builtin_instance_sizes: BuiltinData = BuiltinData(
-        output=1,
-        pedersen=3,
-        range_check=1,
-        bitwise=5,
-        poseidon=6,
+        output=1, pedersen=3, range_check=1, bitwise=5, poseidon=6
     );
 
     // Call execute_tasks.
@@ -153,11 +149,7 @@ func execute_tasks{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
     }
 
     local input_size = Input.SIZE;
-    local input: Input = Input(
-        a=3,
-        b=4,
-        c=5,
-    );
+    local input: Input = Input(a=3, b=4, c=5);
 
     %{
         from bootloader.objects import Task
@@ -188,4 +180,4 @@ func execute_tasks{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
         builtin_instance_sizes=builtin_instance_sizes,
         n_tasks=n_tasks - 1,
     );
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/recursive_with_poseidon/simple_bootloader.cairo b/cairo0-bootloader/bootloader/recursive_with_poseidon/simple_bootloader.cairo
index efec7e5..74c81f6 100644
--- a/cairo0-bootloader/bootloader/recursive_with_poseidon/simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/recursive_with_poseidon/simple_bootloader.cairo
@@ -1,8 +1,6 @@
 %builtins output pedersen range_check bitwise poseidon
 
-from bootloader.recursive_with_poseidon.run_simple_bootloader import (
-    run_simple_bootloader,
-)
+from bootloader.recursive_with_poseidon.run_simple_bootloader import run_simple_bootloader
 from common.cairo_builtins import HashBuiltin, PoseidonBuiltin
 from common.registers import get_fp_and_pc
 
@@ -45,4 +43,4 @@ func main{
             )
     %}
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet/builtins.py b/cairo0-bootloader/bootloader/starknet/builtins.py
index 5a7ff01..1bb01a3 100644
--- a/cairo0-bootloader/bootloader/starknet/builtins.py
+++ b/cairo0-bootloader/bootloader/starknet/builtins.py
@@ -10,4 +10,4 @@
         EC_OP_BUILTIN,
         POSEIDON_BUILTIN,
     ]
-)
\ No newline at end of file
+)
diff --git a/cairo0-bootloader/bootloader/starknet/execute_task.cairo b/cairo0-bootloader/bootloader/starknet/execute_task.cairo
index 20afb45..ad8b4f4 100644
--- a/cairo0-bootloader/bootloader/starknet/execute_task.cairo
+++ b/cairo0-bootloader/bootloader/starknet/execute_task.cairo
@@ -254,4 +254,4 @@ func execute_task{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
 
     let builtin_ptrs = &return_builtin_ptrs;
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet/run_simple_bootloader.cairo b/cairo0-bootloader/bootloader/starknet/run_simple_bootloader.cairo
index 6dc5478..0487b72 100644
--- a/cairo0-bootloader/bootloader/starknet/run_simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/starknet/run_simple_bootloader.cairo
@@ -61,13 +61,7 @@ func run_simple_bootloader{
     );
 
     local builtin_instance_sizes: BuiltinData = BuiltinData(
-        output=1,
-        pedersen=3,
-        range_check=1,
-        ecdsa=2,
-        bitwise=5,
-        ec_op=7,
-        poseidon=6,
+        output=1, pedersen=3, range_check=1, ecdsa=2, bitwise=5, ec_op=7, poseidon=6
     );
 
     // Call execute_tasks.
@@ -167,4 +161,4 @@ func execute_tasks{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
         builtin_instance_sizes=builtin_instance_sizes,
         n_tasks=n_tasks - 1,
     );
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet/simple_bootloader.cairo b/cairo0-bootloader/bootloader/starknet/simple_bootloader.cairo
index f462a16..3b76e52 100644
--- a/cairo0-bootloader/bootloader/starknet/simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/starknet/simple_bootloader.cairo
@@ -1,8 +1,6 @@
 %builtins output pedersen range_check ecdsa bitwise ec_op poseidon
 
-from bootloader.starknet.run_simple_bootloader import (
-    run_simple_bootloader,
-)
+from bootloader.starknet.run_simple_bootloader import run_simple_bootloader
 from common.cairo_builtins import HashBuiltin, PoseidonBuiltin
 from common.registers import get_fp_and_pc
 
@@ -47,4 +45,4 @@ func main{
             )
     %}
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet_with_keccak/builtins.py b/cairo0-bootloader/bootloader/starknet_with_keccak/builtins.py
index e5deb82..0e7b9b8 100644
--- a/cairo0-bootloader/bootloader/starknet_with_keccak/builtins.py
+++ b/cairo0-bootloader/bootloader/starknet_with_keccak/builtins.py
@@ -11,4 +11,4 @@
         KECCAK_BUILTIN,
         POSEIDON_BUILTIN,
     ]
-)
\ No newline at end of file
+)
diff --git a/cairo0-bootloader/bootloader/starknet_with_keccak/execute_task.cairo b/cairo0-bootloader/bootloader/starknet_with_keccak/execute_task.cairo
index 667e55b..b8afb4a 100644
--- a/cairo0-bootloader/bootloader/starknet_with_keccak/execute_task.cairo
+++ b/cairo0-bootloader/bootloader/starknet_with_keccak/execute_task.cairo
@@ -256,4 +256,4 @@ func execute_task{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
 
     let builtin_ptrs = &return_builtin_ptrs;
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet_with_keccak/run_simple_bootloader.cairo b/cairo0-bootloader/bootloader/starknet_with_keccak/run_simple_bootloader.cairo
index e11d89f..c4f90f5 100644
--- a/cairo0-bootloader/bootloader/starknet_with_keccak/run_simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/starknet_with_keccak/run_simple_bootloader.cairo
@@ -64,14 +64,7 @@ func run_simple_bootloader{
     );
 
     local builtin_instance_sizes: BuiltinData = BuiltinData(
-        output=1,
-        pedersen=3,
-        range_check=1,
-        ecdsa=2,
-        bitwise=5,
-        ec_op=7,
-        keccak=16,
-        poseidon=6,
+        output=1, pedersen=3, range_check=1, ecdsa=2, bitwise=5, ec_op=7, keccak=16, poseidon=6
     );
 
     // Call execute_tasks.
@@ -172,4 +165,4 @@ func execute_tasks{builtin_ptrs: BuiltinData*, self_range_check_ptr}(
         builtin_instance_sizes=builtin_instance_sizes,
         n_tasks=n_tasks - 1,
     );
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/starknet_with_keccak/simple_bootloader.cairo b/cairo0-bootloader/bootloader/starknet_with_keccak/simple_bootloader.cairo
index 0051e68..48eade2 100644
--- a/cairo0-bootloader/bootloader/starknet_with_keccak/simple_bootloader.cairo
+++ b/cairo0-bootloader/bootloader/starknet_with_keccak/simple_bootloader.cairo
@@ -1,8 +1,6 @@
 %builtins output pedersen range_check ecdsa bitwise ec_op keccak poseidon
 
-from bootloader.starknet_with_keccak.run_simple_bootloader import (
-    run_simple_bootloader,
-)
+from bootloader.starknet_with_keccak.run_simple_bootloader import run_simple_bootloader
 from common.cairo_builtins import HashBuiltin, PoseidonBuiltin
 from common.registers import get_fp_and_pc
 
@@ -48,4 +46,4 @@ func main{
             )
     %}
     return ();
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/bootloader/utils.py b/cairo0-bootloader/bootloader/utils.py
index 2adf4b5..4aeed90 100644
--- a/cairo0-bootloader/bootloader/utils.py
+++ b/cairo0-bootloader/bootloader/utils.py
@@ -14,7 +14,11 @@
 from starkware.cairo.lang.compiler.program import Program
 from starkware.cairo.lang.vm.cairo_pie import CairoPie, ExecutionResources
 from starkware.cairo.lang.vm.output_builtin_runner import OutputBuiltinRunner
-from starkware.cairo.lang.vm.relocatable import MaybeRelocatable, RelocatableValue, relocate_value
+from starkware.cairo.lang.vm.relocatable import (
+    MaybeRelocatable,
+    RelocatableValue,
+    relocate_value,
+)
 from starkware.python.utils import WriteOnceDict, from_bytes
 
 SIMPLE_BOOTLOADER_COMPILED_PATH = os.path.join(
@@ -89,7 +93,7 @@ def write_return_builtins(
     used_builtins_addr,
     pre_execution_builtins_addr,
     task,
-    all_builtins
+    all_builtins,
 ):
     """
     Writes the updated builtin pointers after the program execution to the given return builtins
@@ -100,7 +104,9 @@ def write_return_builtins(
     used_builtin_offset = 0
     for index, builtin in enumerate(all_builtins):
         if builtin in used_builtins:
-            memory[return_builtins_addr + index] = memory[used_builtins_addr + used_builtin_offset]
+            memory[return_builtins_addr + index] = memory[
+                used_builtins_addr + used_builtin_offset
+            ]
             used_builtin_offset += 1
 
             if isinstance(task, CairoPie):
@@ -110,7 +116,9 @@ def write_return_builtins(
                 ), "Builtin usage is inconsistent with the CairoPie."
         else:
             # The builtin is unused, hence its value is the same as before calling the program.
-            memory[return_builtins_addr + index] = memory[pre_execution_builtins_addr + index]
+            memory[return_builtins_addr + index] = memory[
+                pre_execution_builtins_addr + index
+            ]
 
 
 def load_cairo_pie(
@@ -168,8 +176,12 @@ def local_relocate_value(value):
     esdsa_additional_data = task.additional_data.get("ecdsa_builtin")
     if esdsa_additional_data is not None:
         ecdsa_builtin = builtin_runners.get("ecdsa_builtin")
-        assert ecdsa_builtin is not None, "The task requires the ecdsa builtin but it is missing."
-        ecdsa_builtin.extend_additional_data(esdsa_additional_data, local_relocate_value)
+        assert (
+            ecdsa_builtin is not None
+        ), "The task requires the ecdsa builtin but it is missing."
+        ecdsa_builtin.extend_additional_data(
+            esdsa_additional_data, local_relocate_value
+        )
 
     for addr, val in task.memory.items():
         memory[local_relocate_value(addr)] = local_relocate_value(val)
@@ -220,7 +232,9 @@ def get_task_fact_topology(
         assert output_runner_data is None
         fact_topology = get_fact_topology_from_additional_data(
             output_size=output_size,
-            output_builtin_additional_data=task.cairo_pie.additional_data["output_builtin"],
+            output_builtin_additional_data=task.cairo_pie.additional_data[
+                "output_builtin"
+            ],
         )
     else:
         raise NotImplementedError(f"Unexpected task type: {type(task).__name__}.")
@@ -237,7 +251,9 @@ def add_consecutive_output_pages(
     offset = 0
     for i, page_size in enumerate(fact_topology.page_sizes):
         output_builtin.add_page(
-            page_id=cur_page_id + i, page_start=output_start + offset, page_size=page_size
+            page_id=cur_page_id + i,
+            page_start=output_start + offset,
+            page_size=page_size,
         )
         offset += page_size
 
@@ -268,10 +284,14 @@ def configure_fact_topologies(
         output_start += sum(fact_topology.page_sizes)
 
 
-def write_to_fact_topologies_file(fact_topologies_path: str, fact_topologies: List[FactTopology]):
+def write_to_fact_topologies_file(
+    fact_topologies_path: str, fact_topologies: List[FactTopology]
+):
     with open(fact_topologies_path, "w") as fp:
         json.dump(
-            FactTopologiesFile.Schema().dump(FactTopologiesFile(fact_topologies=fact_topologies)),
+            FactTopologiesFile.Schema().dump(
+                FactTopologiesFile(fact_topologies=fact_topologies)
+            ),
             fp,
             indent=4,
             sort_keys=True,
@@ -279,17 +299,24 @@ def write_to_fact_topologies_file(fact_topologies_path: str, fact_topologies: Li
         fp.write("\n")
 
 
-def calc_simple_bootloader_execution_resources(program_length: int) -> ExecutionResources:
+def calc_simple_bootloader_execution_resources(
+    program_length: int,
+) -> ExecutionResources:
     """
     Returns an upper bound on the number of steps and builtin instances that the simple bootloader
     uses.
     """
-    n_steps = SIMPLE_BOOTLOADER_N_STEPS_RATIO * program_length + SIMPLE_BOOTLOADER_N_STEPS_CONSTANT
+    n_steps = (
+        SIMPLE_BOOTLOADER_N_STEPS_RATIO * program_length
+        + SIMPLE_BOOTLOADER_N_STEPS_CONSTANT
+    )
     builtin_instance_counter = {
         "pedersen_builtin": SIMPLE_BOOTLOADER_N_PEDERSEN + program_length,
         "range_check_builtin": SIMPLE_BOOTLOADER_N_RANGE_CHECKS,
         "output_builtin": SIMPLE_BOOTLOADER_N_OUTPUT,
     }
     return ExecutionResources(
-        n_steps=n_steps, builtin_instance_counter=builtin_instance_counter, n_memory_holes=0
-    )
\ No newline at end of file
+        n_steps=n_steps,
+        builtin_instance_counter=builtin_instance_counter,
+        n_memory_holes=0,
+    )
diff --git a/cairo0-bootloader/common/builtin_poseidon/poseidon.cairo b/cairo0-bootloader/common/builtin_poseidon/poseidon.cairo
index fdabd22..54b3b99 100644
--- a/cairo0-bootloader/common/builtin_poseidon/poseidon.cairo
+++ b/cairo0-bootloader/common/builtin_poseidon/poseidon.cairo
@@ -104,4 +104,4 @@ func poseidon_hash_many{poseidon_ptr: PoseidonBuiltin*}(n: felt, elements: felt*
     let res = poseidon_ptr.output.s0;
     let poseidon_ptr = poseidon_ptr + PoseidonBuiltin.SIZE;
     return (res=res);
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/cairo_builtins.cairo b/cairo0-bootloader/common/cairo_builtins.cairo
index baf3128..f996e96 100644
--- a/cairo0-bootloader/common/cairo_builtins.cairo
+++ b/cairo0-bootloader/common/cairo_builtins.cairo
@@ -42,4 +42,4 @@ struct KeccakBuiltin {
 struct PoseidonBuiltin {
     input: PoseidonBuiltinState,
     output: PoseidonBuiltinState,
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/ec_point.cairo b/cairo0-bootloader/common/ec_point.cairo
index 9c526fe..40be277 100644
--- a/cairo0-bootloader/common/ec_point.cairo
+++ b/cairo0-bootloader/common/ec_point.cairo
@@ -2,4 +2,4 @@
 struct EcPoint {
     x: felt,
     y: felt,
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/hash_chain.cairo b/cairo0-bootloader/common/hash_chain.cairo
index dd255d0..7edfe47 100644
--- a/cairo0-bootloader/common/hash_chain.cairo
+++ b/cairo0-bootloader/common/hash_chain.cairo
@@ -44,4 +44,4 @@ func hash_chain{hash_ptr: HashBuiltin*}(data_ptr: felt*) -> (hash: felt) {
     // Set the hash_ptr implicit argument and return the result.
     let hash_ptr = next_frame.hash_ptr;
     return (hash=next_frame.cur_hash);
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/keccak_state.cairo b/cairo0-bootloader/common/keccak_state.cairo
index 3a26220..4e8f9d7 100644
--- a/cairo0-bootloader/common/keccak_state.cairo
+++ b/cairo0-bootloader/common/keccak_state.cairo
@@ -8,4 +8,4 @@ struct KeccakBuiltinState {
     s5: felt,
     s6: felt,
     s7: felt,
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/poseidon_state.cairo b/cairo0-bootloader/common/poseidon_state.cairo
index 4481493..5942917 100644
--- a/cairo0-bootloader/common/poseidon_state.cairo
+++ b/cairo0-bootloader/common/poseidon_state.cairo
@@ -3,4 +3,4 @@ struct PoseidonBuiltinState {
     s0: felt,
     s1: felt,
     s2: felt,
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/common/registers.cairo b/cairo0-bootloader/common/registers.cairo
index 0b0ab8c..bdf8e7b 100644
--- a/cairo0-bootloader/common/registers.cairo
+++ b/cairo0-bootloader/common/registers.cairo
@@ -23,4 +23,4 @@ func get_label_location(label_value: codeoffset) -> (res: felt*) {
 
     ret_pc_label:
     return (res=pc_val + (label_value - ret_pc_label));
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/lang/compiler/lib/registers.cairo b/cairo0-bootloader/lang/compiler/lib/registers.cairo
index 7f18f9d..29d0d98 100644
--- a/cairo0-bootloader/lang/compiler/lib/registers.cairo
+++ b/cairo0-bootloader/lang/compiler/lib/registers.cairo
@@ -15,4 +15,4 @@ func get_ap() -> (ap_val: felt*) {
     // Hence, the desired ap value is fp - 2.
     let (fp_val, pc_val) = get_fp_and_pc();
     return (ap_val=fp_val - 2);
-}
\ No newline at end of file
+}
diff --git a/cairo0-bootloader/setup.py b/cairo0-bootloader/setup.py
index 8ae93a0..7ca13a6 100644
--- a/cairo0-bootloader/setup.py
+++ b/cairo0-bootloader/setup.py
@@ -18,5 +18,5 @@
         "common.builtin_poseidon": ["*.cairo", "*/*.cairo"],
         "common": ["*.cairo", "*/*.cairo"],
         "lang.compiler": ["cairo.ebnf", "lib/*.cairo"],
-    }
+    },
 )
diff --git a/format.sh b/format.sh
new file mode 100755
index 0000000..4d3e49e
--- /dev/null
+++ b/format.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Function to format a file and print a message based on the outcome
+format_file() {
+    cairo-format -i "$1"
+    local status=$?
+    if [ $status -eq 0 ]; then
+        echo "$(date '+%Y-%m-%d %H:%M:%S') - Successfully formatted $1"
+    else
+        echo "$(date '+%Y-%m-%d %H:%M:%S') - Failed to format $1"
+        return $status
+    fi
+}
+
+# Export the function so it's available in subshells
+export -f format_file
+
+# Find all .cairo files under src/ and tests/ directories and format them in parallel
+# Using --halt soon,fail=1 to stop at the first failure
+find ./cairo0-bootloader -name '*.cairo' ! -path "./cairo0-bootloader/build/*" | parallel --halt soon,fail=1 format_file
+
+# Capture the exit status of parallel
+exit_status=$?
+
+# Exit with the captured status
+echo "Parallel execution exited with status: $exit_status"
+exit $exit_status
\ No newline at end of file
diff --git a/install.py b/install.py
index 7b439f4..d0dfc27 100644
--- a/install.py
+++ b/install.py
@@ -1,7 +1,9 @@
 import subprocess
 
+
 def log_and_run(commands, description, cwd=None):
     from colorama import Fore, Style
+
     full_command = " && ".join(commands)
     try:
         print(f"{Fore.YELLOW}Starting: {description}...{Style.RESET_ALL}")