----> 1 guess_datetime_format('27.03.2003 14:55:00.000') File ~/pandas-dev/pandas/_libs/tslibs/parsing.pyx:967, in pandas._libs.tslibs.parsing.guess_datetime_format() 965 print('tokens[i]', tokens[i]) 966 print('padding', padding) --> 967 token_filled = _fill_token(tokens[i], padding) 968 if token_format is None and token_filled == parsed_formatted: 969 format_guess[i] = attr_format File ~/pandas-dev/pandas/_libs/tslibs/parsing.pyx:1026, in pandas._libs.tslibs.parsing._fill_token() 1024 print('token', token) 1025 seconds, nanoseconds = token.split(".") -> 1026 seconds = f"{int(seconds):02d}" 1027 # right-pad so we get nanoseconds, then only take 1028 # first 6 digits (microseconds) as stdlib datetime ValueError: invalid literal for int() with base 10: ''