fix stdout flushing

main.py

@@ -28,10 +28,13 @@ nl = '\n'
 
 # Config error message
 def config_error(msg):
-    print(f'Error parsing config file: {msg}')
-    sys.stdout.flush()
+    print_and_flush(f'Error parsing config file: {msg}')
     sys.exit(1)
 
+def print_and_flush(msg):
+    print(msg)
+    sys.stdout.flush()
+
 # Read config file
 def get_config(filename):
     config = {}
@@ -44,8 +47,7 @@ def get_config(filename):
             raise configparser.Error
         
     except configparser.Error as e:
-        print(f'Error reading config file {e}')
-        sys.stdout.flush()
+        print_and_flush(f'Error reading config file {e}')
         sys.exit(1)
 
     # Parse config file
@@ -172,14 +174,12 @@ def send_alert(config, title, text, url, timestamp, keyword):
 
             server.sendmail(smtp_from, smtp_to, text)
     except Exception as e:
-        print(f'SMTP Send Error: {e}')
-        sys.stdout.flush()
+        print_and_flush(f'SMTP Send Error: {e}')
 
 if __name__ == '__main__':
 
     config = get_config(args.config)
 
-    print(f'Current config file: {config}')
-    sys.stdout.flush()
+    print_and_flush(f'Current config file: {config}')
 
     check_reddit(config)