fix malformed key

Author: jukent

Diff for: .github/workflows/get-metrics.py

@@ -20,7 +20,8 @@
 
 # Access Secrets
 PRIVATE_KEY_ID = os.environ.get('PRIVATE_KEY_ID')
-PRIVATE_KEY = os.environ.get('PRIVATE_KEY')
+# Ensure that GH secret doesn't introduce extra new line characters (related to '\' being an escape character)
+PRIVATE_KEY = os.environ.get('PRIVATE_KEY').replace('\\n', '\n')
 
 credentials_dict = {
     'type': 'service_account',
@@ -41,7 +42,7 @@
 except google.auth.exceptions.MalformedError as e:
     print('Malformed Error:', repr(e))
     # Insight into reason for failure without exposing secret key
-    print('Length of PRIVATE_KEY:', len(PRIVATE_KEY))  # 0: Secret not found, ~734: Secret malformed
+    print('Length of PRIVATE_KEY:', len(PRIVATE_KEY))  # 0: Secret not found, ~732-734: Secret malformed
 
 pre_project_date = '2020-03-31'  # Random date before project start