Results 8 comments of Teng

> > When trainning, i encountered this error: > > CenterNet-master/sample/utils.py", line 58, in random_crop > > image_height, image_width = image.shape[0:2] > > AttributeError: 'NoneType' object has no attribute 'shape'...

CI pipeline failed because of `Connection refused` issue, let me re-run it again.

@xushiyan sure, np, just rebased it to the latest master

Just reverted the code about ignoring duplicate marker error. The code will throw error if there is an existing duplicate marker file now.

Something wrong in maven build, not related with this PR. ```log Error: Failed to execute goal on project hudi-utilities_2.12: Could not resolve dependencies for project org.apache.hudi:hudi-utilities_2.12:jar:0.13.0-SNAPSHOT: Failed to collect dependencies...

Thanks! it saves my life!!!