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BUG: invalid rolling window on empty input #21291

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Merged
merged 14 commits into from
Jun 8, 2018
Merged

BUG: invalid rolling window on empty input #21291

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efd03f9
Referring to Issue #21286
uds5501 Jun 2, 2018
6a5a26c
white spaces fixed
uds5501 Jun 2, 2018
70e76df
Update window.py
uds5501 Jun 7, 2018
2cd9b5c
Update test_window.py
uds5501 Jun 7, 2018
87b2417
Update window.py
uds5501 Jun 8, 2018
0349bf0
Update test_window.py
uds5501 Jun 8, 2018
5aacfbb
Update test_window.py
uds5501 Jun 8, 2018
4131f30
Update window.py
uds5501 Jun 8, 2018
956a7f2
Update window.py
uds5501 Jun 8, 2018
a69e0e0
Update window.py
uds5501 Jun 8, 2018
c9c769e
Update window.py
uds5501 Jun 8, 2018
da21015
Update v0.23.1.txt
uds5501 Jun 8, 2018
5ecc436
Update v0.23.1.txt
uds5501 Jun 8, 2018
9f5745c
Update v0.23.1.txt
uds5501 Jun 8, 2018
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4 changes: 2 additions & 2 deletions pandas/core/window.py
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Original file line number Diff line number Diff line change
Expand Up @@ -602,8 +602,8 @@ def validate(self):
if isinstance(window, (list, tuple, np.ndarray)):
pass
elif is_integer(window):
if window < 0:
raise ValueError("window must be non-negative")
if window <= 0:
raise ValueError("window must be > 0 ")
try:
import scipy.signal as sig
except ImportError:
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3 changes: 1 addition & 2 deletions pandas/tests/test_window.py
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Expand Up @@ -389,8 +389,8 @@ def test_constructor(self, which):
c(window=2, min_periods=1, center=False)

# GH 13383
c(0)
with pytest.raises(ValueError):
c(0)
c(-1)

# not valid
Expand All @@ -409,7 +409,6 @@ def test_constructor_with_win_type(self, which):
# GH 13383
o = getattr(self, which)
c = o.rolling
c(0, win_type='boxcar')
with pytest.raises(ValueError):
c(-1, win_type='boxcar')

Expand Down