Cant access psychopy data's csv columns with dots in their name

I simply can’t get can’t access some columns in the data file in csv format that is generated from my psychopy experiment.
Columns like key_resp.keys or key_resp.rt are not recognized correctly by python DataFrame and I can’t even rename them.
What’s the solution?

I recently dealt with with this by replacing dots with underscores in the first row of the combined data file. Are your files still separate?