parameters: (line: str)
return_statement: return None
docstring: Check if the given line appears to reference a jira ticket.
  
          :param line: Content of line.
          :return: Jira ticket if one was found.
docstring_summary: Check if the given line appears to reference a jira ticket.
docstring_tokens: Check if the given line appears to reference a jira ticket .
function: def get_issue_key_from_line(line: str) -> Optional[str]:
          """
          Check if the given line appears to reference a jira ticket.
  
          :param line: Content of line.
          :return: Jira ticket if one was found.
          """
          match = ISSUE_RE.search(line.upper())
          if match:
              return match.group(0)
          return None
function_tokens: def get_issue_key_from_line ( line : str ) -> Optional [ str ] : match = ISSUE_RE . search ( line . upper ( ) ) if match : return match . group ( 0 ) return None