style: apply pyink/isort formatting to LiteLLM and GEPA samples

- Wrap long lines in lite_llm.py _MIME_TO_FILENAME and test_litellm.py
- Remove trailing blank lines in GEPA experiment scripts

Made-with: Cursor

Author: alejandro-sotoca-bts

contributing/samples/gepa/experiment.py

@@ -43,7 +43,6 @@
 from tau_bench.types import EnvRunResult
 from tau_bench.types import RunConfig
 import tau_bench_agent as tau_bench_agent_lib
-
 import utils
 
 

contributing/samples/gepa/run_experiment.py

@@ -25,7 +25,6 @@
 from absl import flags
 import experiment
 from google.genai import types
-
 import utils
 
 _OUTPUT_DIR = flags.DEFINE_string(

src/google/adk/models/lite_llm.py

@@ -145,8 +145,12 @@
     "application/pdf": "document.pdf",
     "application/json": "document.json",
     "application/msword": "document.doc",
-    "application/vnd.openxmlformats-officedocument.wordprocessingml.document": "document.docx",
-    "application/vnd.openxmlformats-officedocument.presentationml.presentation": "document.pptx",
+    "application/vnd.openxmlformats-officedocument.wordprocessingml.document": (
+        "document.docx"
+    ),
+    "application/vnd.openxmlformats-officedocument.presentationml.presentation": (
+        "document.pptx"
+    ),
     "application/x-sh": "script.sh",
 }
 

tests/unittests/models/test_litellm.py

@@ -3972,7 +3972,9 @@ async def test_get_content_pdf_openai_uses_display_name_as_filename(mocker):
   mock_acreate_file = AsyncMock(return_value=mock_file_response)
   mocker.patch.object(litellm, "acreate_file", new=mock_acreate_file)
 
-  part = types.Part.from_bytes(data=b"test_pdf_data", mime_type="application/pdf")
+  part = types.Part.from_bytes(
+      data=b"test_pdf_data", mime_type="application/pdf"
+  )
   part.inline_data.display_name = "my_report.pdf"
   content = await _get_content([part], provider="openai")