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MAINT: Nicely inform users if they're missing hard dependencies. #12468

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MAINT: Nicely inform users if they're missing hard dependencies. #12468

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15 changes: 14 additions & 1 deletion pandas/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,21 @@

__docformat__ = 'restructuredtext'

# Let users know if they're missing any of our hard dependencies, ie. don't fail fast.
hard_dependencies = ("numpy", "pytz", "dateutil")
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add this line back (as it put .np in the pandas namespace)

missing_dependencies = []

for dependency in hard_dependencies:
try:
__import__(dependency)
except ImportError as e:
missing_dependencies.append(dependency)

if missing_dependencies:
raise ImportError("Missing required dependencies {0}".format(missing_dependencies))


# numpy compat
import numpy as np
from pandas.compat.numpy_compat import *

try:
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