According to Kady O'Malley in the Ottawa Citizen, she says:
...on Wednesday evening, a statement from PMO—which was provided to the Ottawa Citizen—confirmed that was the case....
Then, the statement from the PMO is:
Since the opposition has been unable to offer any evidence that there even was a premature disclosure of the bill during six different committee meetings, the government members on the committee have decided to oppose any motion that randomly calls anyone as part of their fishing expedition.