diff --git a/main.py b/main.py
index 04a78e7..8e1f356 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 from prank_line_crafter.story_generator import generate_complete_story
 from prank_line_crafter.sender import send_story
-import os
+
 
 def get_names_from_file(filename):
     """Read names from the specified file."""
@@ -12,19 +12,21 @@ def get_names_from_file(filename):
         print(f"The file {filename} does not exist.")
         return []
 
+
 def main():
     names_file = 'names.txt'
     names = get_names_from_file(names_file)
 
     for i, name in enumerate(names, start=1):
         print(f"{i}: Processing {name}... ", end="")
-        
+
         # Generate a funny story for the current name
         story = generate_complete_story(name)
-        
+
         # Send the story to the server
         result = send_story(name, story)
         print(result)
 
+
 if __name__ == "__main__":
     main()
diff --git a/prank_line_crafter/config.py b/prank_line_crafter/config.py
index 33836a6..e8d806f 100644
--- a/prank_line_crafter/config.py
+++ b/prank_line_crafter/config.py
@@ -7,4 +7,4 @@
 URL = os.getenv("URL")
 
 if not LLAMA_API_TOKEN or not URL:
-    raise ValueError("Missing required environment variables: LLAMA_API_TOKEN or URL")
+    raise ValueError("Missing: LLAMA_API_TOKEN or URL")
diff --git a/prank_line_crafter/sender.py b/prank_line_crafter/sender.py
index 1e3a440..f440043 100644
--- a/prank_line_crafter/sender.py
+++ b/prank_line_crafter/sender.py
@@ -1,6 +1,7 @@
 import requests
 from .config import URL
 
+
 def send_story(name, story):
     """Send the generated story to the server."""
     data = {
diff --git a/prank_line_crafter/story_generator.py b/prank_line_crafter/story_generator.py
index febfd97..ea8058c 100644
--- a/prank_line_crafter/story_generator.py
+++ b/prank_line_crafter/story_generator.py
@@ -1,12 +1,14 @@
 from llamaapi import LlamaAPI
 from .config import LLAMA_API_TOKEN
 
+
 def generate_complete_story(name):
     """Generate a funny story about the given name using LlamaAPI."""
     llama = LlamaAPI(LLAMA_API_TOKEN)
     api_request_json = {
         "messages": [
-            {"role": "user", "content": f"Generate a funny story about a person named {name}."}
+            {"role": "user",
+             "content": f"Generate a funny story about a person named {name}"}
         ],
         "max_tokens": 500,
         "stream": False
diff --git a/tests/test_main.py b/tests/test_main.py
index c637baf..4929d93 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,10 +1,9 @@
 import unittest
 from unittest.mock import patch, MagicMock
 from prank_line_crafter.story_generator import generate_complete_story
-from main import get_names_from_file, main
+from main import get_names_from_file
 import os
-import io
-import sys
+
 
 class TestMain(unittest.TestCase):
 
@@ -40,5 +39,6 @@ def test_get_names_from_file(self):
         # Assert that the names list matches the expected list
         self.assertEqual(names, ['Alice', 'Bob', 'Charlie'])
 
+
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()