Infrastructure: Update script to include all Python files

Author: josemontespg

scripts/fix_format.sh

@@ -34,9 +34,9 @@ fi
 echo "Running Pyink for Python..."
 cd "$REPO_ROOT/agent_sdks/python"
 if [ "$CHECK_ONLY" = true ]; then
-  uv run pyink --check src tests
+  uv run pyink --check --extend-exclude "agent_sdks/conformance/test_data/" "$REPO_ROOT"
 else
-  uv run pyink src tests
+  uv run pyink --extend-exclude "agent_sdks/conformance/test_data/" "$REPO_ROOT"
 fi
 
 echo "Running Dart format..."