avoid exception when unauthorized

Author: bc-devrev

changelog.py

@@ -27,6 +27,7 @@ def main(vrn, d):
 
 def gen_log(prompt):
 
+    log = "Failed to generated changelog. Ensure that API key is valid."
     auth = os.environ.get('LLM_JWT')
     if auth:
         headers = {"Content-Type": "application/json", "Authorization": f"Bearer {auth}"}
@@ -48,7 +49,7 @@ def gen_log(prompt):
             log = re.sub(r"^Let me know.*\n?", '', log, flags=re.MULTILINE)
         except Exception as e:
             print(
-                f"Failed to generate changelog. Error: {type(e)} {e} {r}")
+                f"{log}. Error: {type(e)} {e} {r}")
     else:
         log = "No auth token"