bug fix

Signed-off-by: Chin Yeung Li <[email protected]>

Author: chinyeungli

src/attributecode/cmd.py

@@ -504,6 +504,7 @@ def attrib(input, output, api_url, api_key, scancode, min_license_score, referen
         else:
             msg = 'No ABOUT file or reference is found from the input. Attribution generation halted.'
             click.echo(msg)
+            errors_count = 1
         sys.exit(errors_count)
 
     if not is_about_input: