OverflowError Traceback (most recent call last)
<ipython-input-37-bbb3114abe9d> in <module>
----> 1 df_train.index.freq = 'W'
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/indexes/extension.py in fset(self, value)
64
65 def fset(self, value):
---> 66 setattr(self._data, name, value)
67
68 fget.__name__ = name
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/arrays/datetimelike.py in freq(self, value)
978 if value is not None:
979 value = frequencies.to_offset(value)
--> 980 self._validate_frequency(self, value)
981
982 self._freq = value
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/arrays/datetimelike.py in _validate_frequency(cls, index, freq, **kwargs)
1039 try:
1040 on_freq = cls._generate_range(
-> 1041 start=index[0], end=None, periods=len(index), freq=freq, **kwargs
1042 )
1043 if not np.array_equal(index.asi8, on_freq.asi8):
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/arrays/datetimes.py in _generate_range(cls, start, end, periods, freq, tz, normalize, ambiguous, nonexistent, closed)
406 end = end.tz_localize(None)
407 # TODO: consider re-implementing _cached_range; GH#17914
--> 408 values, _tz = generate_regular_range(start, end, periods, freq)
409 index = cls._simple_new(values, freq=freq, dtype=tz_to_dtype(_tz))
410
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/arrays/_ranges.py in generate_regular_range(start, end, periods, freq)
79 xdr = generate_range(start=start, end=end, periods=periods, offset=freq)
80
---> 81 values = np.array([x.value for x in xdr], dtype=np.int64)
82
83 return values, tz
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/core/arrays/_ranges.py in <listcomp>(.0)
79 xdr = generate_range(start=start, end=end, periods=periods, offset=freq)
80
---> 81 values = np.array([x.value for x in xdr], dtype=np.int64)
82
83 return values, tz
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/tseries/offsets.py in generate_range(start, end, periods, offset)
2765
2766 if end is None:
-> 2767 end = start + (periods - 1) * offset
2768
2769 if start is None:
pandas/_libs/tslibs/offsets.pyx in >pandas._libs.tslibs.offsets.BaseOffset.__radd__()
pandas/_libs/tslibs/offsets.pyx in >pandas._libs.tslibs.offsets._BaseOffset.__add__()
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/tseries/offsets.py in wrapper(self, other)
109 other = other.tz_localize(None)
110
--> 111 result = func(self, other)
112
113 if self._adjust_dst:
/opt/omniai/software/Miniconda/lib/python3.6/site-packages/pandas/tseries/offsets.py in apply(self, other)
1577 k -= 1
1578
-> 1579 return other + timedelta(weeks=k)
1580
1581 @apply_index_wraps
pandas/_libs/tslibs/c_timestamp.pyx in >pandas._libs.tslibs.c_timestamp._Timestamp.__add__()
OverflowError: Python int too large to convert to C long