fix: tracer testing, black formatting

.github/workflows/push-actions.yml

@@ -26,7 +26,10 @@ jobs:
           # The task outputs the list of tasks on stdout, each entry separated by a `\n` character.
           # The task output is piped into the `jq` command, that formats it as a JSON list, as the
           # we need a JSON datastructure later on for dynamic matrixes.
-          echo "integration_tests=$(nox -e list_integration_tests_ci | jq -Rnc '[inputs]')" >> $GITHUB_OUTPUT
+          echo "integration_tests=$( \
+            python3 -m nox -e list_integration_tests_ci \
+            | jq -Rnc '[inputs]' \
+          )" >> $GITHUB_OUTPUT
 
   version-testing:
     needs: [list-instrumentations]

src/test/integration/fastapi/fastapi_external_apis/app.py

@@ -10,7 +10,4 @@ def get_big_response():
 
 @app.get("/little-response")
 def get_little_response(request: Request):
-    return {
-        "url": str(request.url),
-        "data": "a" * 100
-    }
+    return {"url": str(request.url), "data": "a" * 100}