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>>> import pandas as pd >>> df1 = pd.DataFrame({'entity_id': [101, 102]}) >>> df2 = pd.Series([None, None], index=[101, 102]).astype('timedelta64[D]').to_frame('days') >>> print(df2); print(df2.dtypes) days 101 NaT 102 NaT days timedelta64[D] dtype: object >>> df1.merge(df2, left_on='entity_id', right_index=True) ... File "/Users/brian/src/pandas/pandas/core/common.py", line 95, in isnull return _isnull(obj) File "/Users/brian/src/pandas/pandas/core/common.py", line 105, in _isnull_new return _isnull_ndarraylike(obj) File "/Users/brian/src/pandas/pandas/core/common.py", line 196, in _isnull_ndarraylike result = np.isnan(values) TypeError: ufunc 'isnan' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''
entity_id days 0 101 NaT 1 102 NaT
commit: None python: 3.5.1.final.0 python-bits: 64 OS: Darwin OS-release: 15.5.0 machine: x86_64 processor: i386 byteorder: little LC_ALL: None LANG: en_US.UTF-8
pandas: 0.18.1 nose: 1.3.7 pip: 8.1.2 setuptools: 22.0.5 Cython: None numpy: 1.11.0 scipy: 0.17.0 statsmodels: None xarray: None IPython: 4.0.1 sphinx: None patsy: None dateutil: 2.5.3 pytz: 2016.4 blosc: None bottleneck: None tables: None numexpr: 2.5.1 matplotlib: None openpyxl: None xlrd: None xlwt: None xlsxwriter: None lxml: None bs4: None html5lib: None httplib2: None apiclient: None sqlalchemy: 1.0.10 pymysql: None psycopg2: 2.6.1 (dt dec pq3 ext) jinja2: 2.7.3 boto: 2.38.0 pandas_datareader: None
(It also appears on master)
The text was updated successfully, but these errors were encountered:
yeah this is prob not tested very well. pull-requests are welcome.
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a3cddfa
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Expected output:
INSTALLED VERSIONS
commit: None
python: 3.5.1.final.0
python-bits: 64
OS: Darwin
OS-release: 15.5.0
machine: x86_64
processor: i386
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.18.1
nose: 1.3.7
pip: 8.1.2
setuptools: 22.0.5
Cython: None
numpy: 1.11.0
scipy: 0.17.0
statsmodels: None
xarray: None
IPython: 4.0.1
sphinx: None
patsy: None
dateutil: 2.5.3
pytz: 2016.4
blosc: None
bottleneck: None
tables: None
numexpr: 2.5.1
matplotlib: None
openpyxl: None
xlrd: None
xlwt: None
xlsxwriter: None
lxml: None
bs4: None
html5lib: None
httplib2: None
apiclient: None
sqlalchemy: 1.0.10
pymysql: None
psycopg2: 2.6.1 (dt dec pq3 ext)
jinja2: 2.7.3
boto: 2.38.0
pandas_datareader: None
(It also appears on master)
The text was updated successfully, but these errors were encountered: