Update code_context_extractor.py

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>

Author: KRRT7

codeflash/languages/python/context/code_context_extractor.py

@@ -966,7 +966,7 @@ def extract_class_and_bases(
 
             resolved_module = module_path.resolve()
             module_str = str(resolved_module)
-            is_project = module_str.startswith(str(project_root_path.resolve()))
+            is_project = module_str.startswith(str(project_root_path.resolve()) + os.sep)
             is_third_party = "site-packages" in module_str
             if not is_project and not is_third_party:
                 continue