Webservice: Less verbose log messages when orca is not running

Description

When Orca is not running, the log currently contains a lot of chained tracebacks every time it tries to send a request. We don't need all that detail to see that it can't connect, and it's harder to find other issues in the logs. This logs a shorter message instead.

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the code style of this project.

Reviewers

@roscar

webservice/webservice.py

@@ -814,7 +814,7 @@ def _orca_passthrough(
         args.extend([f"{k}={v}" for k, v in kwargs.items()])
 
         url = f"{base_url}:{port}/{route}/{proposal_number}?{'&'.join(filter(None, args))}"
-    except Exception as e:
+    except Exception:
         logging.warning("error building orca passthrough request", exc_info=True)
         return None
 
@@ -822,7 +822,7 @@ def _orca_passthrough(
         requests.post(url)
     except requests.ConnectionError:
         logging.warning("Could not connect to orca to send passthrough request")
-    except Exception as e:
+    except Exception:
         logging.error(f"orca post request error for url {url}", exc_info=True)