diff --git a/setup.py b/setup.py
index 685f373..d71421a 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 
 setup(
     name="torchlens",
-    version="0.1.7",
+    version="0.1.8",
     description="A package for extracting activations from PyTorch models",
     long_description="A package for extracting activations from PyTorch models. Contains functionality for "
                      "extracting model activations, visualizing a model's computational graph, and "
diff --git a/torchlens/helper_funcs.py b/torchlens/helper_funcs.py
index 27889bf..89ac14f 100644
--- a/torchlens/helper_funcs.py
+++ b/torchlens/helper_funcs.py
@@ -353,7 +353,7 @@ def extend_search_stack_from_item(
             )
 
     for attr_name in dir(item):
-        if attr_name.startswith("__"):
+        if (attr_name.startswith("__")) or (attr_name == 'T') or ('grad' in attr_name):
             continue
         try:
             attr = getattr(item, attr_name)
diff --git a/torchlens/model_history.py b/torchlens/model_history.py
index c8df2b0..08d729e 100644
--- a/torchlens/model_history.py
+++ b/torchlens/model_history.py
@@ -30,6 +30,7 @@
     identity,
     in_notebook,
     int_list_to_compact_str,
+    is_iterable,
     log_current_rng_states,
     make_random_barcode,
     make_short_barcode_from_input,
@@ -3022,10 +3023,16 @@ def _get_call_stack_dicts():
                 "call_linenum": caller.lineno,
                 "function": caller.function,
                 "code_context": caller.code_context,
-                "code_context_str": "".join(caller.code_context),
             }
             for caller in call_stack
         ]
+
+        for call_stack_dict in call_stack_dicts:
+            if is_iterable(call_stack_dict['code_context']):
+                call_stack_dict['code_context_str'] = ''.join(call_stack_dict['code_context'])
+            else:
+                call_stack_dict['code_context_str'] = str(call_stack_dict['code_context'])
+
         # Only start at the level of that first forward pass, going from shallow to deep.
         tracking = False
         filtered_dicts = []