Python – OSError: Initializing from file failed on csv in Pandas

So far pandas read through all my CSV files without any problem, however now there seems to be a problem..

When doing:

df = pd.read_csv(r'path to file', sep=';')

I get:

OSError Traceback (most recent call
last) in ()
—-> 1 df = pd.read_csv(r'path
Übersicht\Input\test\test.csv', sep=';')

c:\program files\python36\lib\site-packages\pandas\io\parsers.py in
parser_f(filepath_or_buffer, sep, delimiter, header, names, index_col,
usecols, squeeze, prefix, mangle_dupe_cols, dtype, engine, converters,
true_values, false_values, skipinitialspace, skiprows, nrows,
na_values, keep_default_na, na_filter, verbose, skip_blank_lines,
parse_dates, infer_datetime_format, keep_date_col, date_parser,
dayfirst, iterator, chunksize, compression, thousands, decimal,
lineterminator, quotechar, quoting, escapechar, comment, encoding,
dialect, tupleize_cols, error_bad_lines, warn_bad_lines, skipfooter,
skip_footer, doublequote, delim_whitespace, as_recarray, compact_ints,
use_unsigned, low_memory, buffer_lines, memory_map, float_precision)
703 skip_blank_lines=skip_blank_lines)
704
–> 705 return _read(filepath_or_buffer, kwds)
706
707 parser_f.name = name

c:\program files\python36\lib\site-packages\pandas\io\parsers.py in
_read(filepath_or_buffer, kwds)
443
444 # Create the parser.
–> 445 parser = TextFileReader(filepath_or_buffer, **kwds)
446
447 if chunksize or iterator:

c:\program files\python36\lib\site-packages\pandas\io\parsers.py in
init(self, f, engine, **kwds)
812 self.options['has_index_names'] = kwds['has_index_names']
813
–> 814 self._make_engine(self.engine)
815
816 def close(self):

c:\program files\python36\lib\site-packages\pandas\io\parsers.py in
_make_engine(self, engine) 1043 def _make_engine(self, engine='c'): 1044 if engine == 'c':
-> 1045 self._engine = CParserWrapper(self.f, **self.options) 1046 else: 1047 if engine == 'python':

c:\program files\python36\lib\site-packages\pandas\io\parsers.py in
init(self, src, **kwds) 1682 kwds['allow_leading_cols'] = self.index_col is not False 1683
-> 1684 self._reader = parsers.TextReader(src, **kwds) 1685 1686 # XXX

pandas_libs\parsers.pyx in
pandas._libs.parsers.TextReader.cinit()

pandas_libs\parsers.pyx in
pandas._libs.parsers.TextReader._setup_parser_source()

OSError: Initializing from file failed

Other files in the same folder that are XLS files can be accessed without an issue.

When using the Python library like so:

import csv
file = csv.reader(open(r'pathtofile')) 

for row in file:
    print(row)
    break

df = pd.read_csv(file, sep=';')

the file is being loaded and the first line is printed. However I get:

ValueError: Invalid file path or buffer object type:

Probably because I can't use read_csv this way…

How to get the first pandas function to work? The csv does not contain any special characters except German ones. The filesize is 10MB.