[ci] Fix grep argument to unblock Python linting
[ci] Fix grep argument to unblock Python linting

cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue,cloudera/hue