Prevent pandas read_csv treating first row as header of column names

• Edit

• csv
• pandas
• header-row

Since pandas 0.17, header became an int arg (or list of int), no longer Boolean. Hence for no header, you must use header=None.

You often see this sort of thing when people use old pre-0.17 code with 0.17+, and scratch their heads at the result:

• Prevent pandas read_csv treating first row as header of column names