Merge pull request #202 from Shubha-accenture/composer-api-changes

Composer API changes for handling dict()

dataproc_jupyter_plugin/controllers/composer.py

@@ -32,6 +32,7 @@ async def get(self):
                     await credentials.get_cached(), self.log, client_session
                 )
                 environments = await client.list_environments()
+                self.set_header("Content-Type", "application/json")
                 self.finish(json.dumps(environments, default=lambda x: x.dict()))
         except Exception as e:
             self.log.exception(f"Error fetching composer environments: {str(e)}")