BUG: Unstacking MultiIndex with datetime tz-aware data raises ValueError: cannot create a DatetimeTZBlock without a tz #18338
Labels
Bug
good first issue
Needs Tests
Unit test(s) needed to prevent regressions
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Timezones
Timezone data dtype
Milestone
Code Sample, a copy-pastable example if possible
Problem description
Exception thrown. This used to work pre 0.21 and works with non Timestamp columns
Expected Output
Output of
pd.show_versions()
INSTALLED VERSIONS
commit: None
python: 3.5.2.final.0
python-bits: 64
OS: Linux
OS-release: 4.4.0-1039-aws
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: C.UTF-8
LANG: C.UTF-8
LOCALE: en_US.UTF-8
pandas: 0.21.0
pytest: 3.2.3
pip: 9.0.1
setuptools: 36.6.0
Cython: 0.27.2
numpy: 1.13.3
scipy: 1.0.0
pyarrow: None
xarray: None
IPython: 6.2.1
sphinx: None
patsy: None
dateutil: 2.6.1
pytz: 2017.3
blosc: None
bottleneck: None
tables: None
numexpr: None
feather: None
matplotlib: 2.1.0
openpyxl: None
xlrd: None
xlwt: None
xlsxwriter: None
lxml: None
bs4: None
html5lib: 0.9999999
sqlalchemy: 1.1.15
pymysql: None
psycopg2: 2.7.3.2 (dt dec pq3 ext lo64)
jinja2: 2.9.6
s3fs: None
fastparquet: None
pandas_gbq: None
pandas_datareader: None
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