Prevent fix for Python 3.9 from breaking tests in other versions.

Author: michaelsafyan

instrumentation-genai/opentelemetry-instrumentation-google-genai/tests/generate_content/test_e2e.py

@@ -28,6 +28,7 @@
 import json
 import os
 import subprocess
+import sys
 
 import google.auth
 import google.auth.credentials
@@ -276,6 +277,11 @@ def _ensure_casette_gzip(loaded_casette):
         )
 
 
+def _maybe_ensure_casette_gzip(result):
+    if sys.version_info[0] == 3 and sys.version_info[1] == 9:
+        _ensure_casette_gzip(result)
+
+
 class _PrettyPrintJSONBody:
     """This makes request and response body recordings more readable."""
 
@@ -289,7 +295,7 @@ def serialize(cassette_dict):
     @staticmethod
     def deserialize(cassette_string):
         result = yaml.load(cassette_string, Loader=yaml.Loader)
-        _ensure_casette_gzip(result)
+        _maybe_ensure_casette_gzip(result)
         return result