Hopefully now a correct STS endpoint. Updated file name check to account for double backslashes

tools/aws_functions.py

@@ -24,7 +24,7 @@ except Exception as e:
 
 
 def get_assumed_role_info():
-    sts = boto3.client('sts', region_name='eu-west-2')
+    sts = boto3.client('sts', region_name='eu-west-2', endpoint_url='https://sts.eu-west-2.amazonaws.com')
     response = sts.get_caller_identity()
 
     # Extract ARN of the assumed role

tools/matcher_funcs.py

@@ -70,7 +70,7 @@ def get_file_name(in_name: str) -> str:
     """Get the name of a file from a string, handling both Windows and Unix paths."""
 
     print("in_name: ", in_name)
-    match = re.search(rf'{os.sep}(?!.*{os.sep})(.*)', in_name) 
+    match = re.search(rf'{re.escape(os.sep)}(?!.*{re.escape(os.sep)})(.*)', in_name) 
     if match:
         matched_result = match.group(1)
     else: