[Numpy-discussion] [SciPy-Dev] 1.8.0rc1

Mon Sep 30 17:51:39 EDT 2013

On 9/30/2013 11:02 AM, Nathaniel Smith wrote:> Everyone please do 
actually test this! It is really in your best
> interest, and I think people don't always realize this.
>
> Here's how it works:
> - If you test it *now*, and it breaks your code that worked with 1.7,
> and you *tell* us this now, then it's *our* problem and we hold up the
> release to fix the bug.
> - If you test it *after* we release, and it breaks your code, then we
> are sad but you have to work around it (because we can't magically
> make that release not have happened, your users will be using it
> anyway), and we put it on the stack with all the other bugs. All of
> which we care about but it's a large enough stack that it's not going
> to get any special priority, because, see above about how at this
> point you'll have had to work around it anyway.
>
> -n
>
> On Mon, Sep 30, 2013 at 4:17 PM, Charles R Harris
> <charlesr.harris at gmail.com> wrote:
>> Hi All,
>>
>> NumPy 1.8.0rc1 is up now on sourceforge .The binary builds are included
>> except for Python 3.3 on windows, which will arrive later. Many thanks to
>> Ralf for the binaries, and to those who found and fixed the bugs in the last
>> beta. Any remaining bugs are all my fault ;) I hope this will be the last
>> release before final, so please test it thoroughly.
>>
>> Chuck

Hello,

NumPy 1.8.0rc1 looks good. All tests pass on Windows and most 3rd party 
packages test OK now. Thank you.

A few tests still fail in the following packages when run with 
numpy-MKL-1.8.0rc1-win-amd64-py3.3 compared to 
numpy-MKL-1.7.1-win-amd64-py3.3:

1) Pandas 0.12.0

```
======================================================================
FAIL: test_nansum_buglet (pandas.tests.test_series.TestNanops)
----------------------------------------------------------------------
Traceback (most recent call last):
   File "X:\Python33\lib\site-packages\pandas\tests\test_series.py", 
line 254, in test_nansum_buglet
     assert_almost_equal(result, 1)
   File "X:\Python33\lib\site-packages\pandas\util\testing.py", line 
134, in assert_almost_equal
     np.testing.assert_(isiterable(b))
   File "D:\Dev\Compile\Test\numpy-build\numpy\testing\utils.py", line 
44, in assert_
     raise AssertionError(msg)
AssertionError
```

Possibly related:

```
>>> import numpy as np
>>> from pandas import Series
>>> s = Series([0.0])
>>> result = np.nansum(s)
>>> print(result)
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
   File "X:\Python33\lib\site-packages\pandas\core\base.py", line 19, in 
__str__
     return self.__unicode__()
   File "X:\Python33\lib\site-packages\pandas\core\series.py", line 
1115, in __unicode__
     length=len(self) > 50,
TypeError: len() of unsized object
```

2) Bottleneck 0.7.0

https://github.com/kwgoodman/bottleneck/issues/71#issuecomment-25331701

3) skimage 0.8.2

These tests passed with numpy 1.8.0b2:

```
======================================================================
FAIL: test_grey.test_non_square_image
----------------------------------------------------------------------
Traceback (most recent call last):
   File "X:\Python33\lib\site-packages\nose\case.py", line 198, in runTest
     self.test(*self.arg)
   File 
"X:\Python33\lib\site-packages\skimage\morphology\tests\test_grey.py", 
line 162, in test_non_square_image
     testing.assert_array_equal(binary_res, grey_res)
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
718, in assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
644, in assert_array_compare
     raise AssertionError(msg)
AssertionError:
Arrays are not equal

(mismatch 50.6328125%)
  x: array([[False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],...
  y: array([[ True,  True,  True, ...,  True, False, False],
        [ True,  True,  True, ..., False, False, False],
        [ True,  True,  True, ..., False, False, False],...

======================================================================
FAIL: test_grey.test_binary_erosion
----------------------------------------------------------------------
Traceback (most recent call last):
   File "X:\Python33\lib\site-packages\nose\case.py", line 198, in runTest
     self.test(*self.arg)
   File 
"X:\Python33\lib\site-packages\skimage\morphology\tests\test_grey.py", 
line 169, in test_binary_erosion
     testing.assert_array_equal(binary_res, grey_res)
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
718, in assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
644, in assert_array_compare
     raise AssertionError(msg)
AssertionError:
Arrays are not equal

(mismatch 48.260498046875%)
  x: array([[False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],...
  y: array([[ True,  True,  True, ...,  True, False, False],
        [ True,  True,  True, ..., False, False, False],
        [ True,  True,  True, ..., False, False, False],...

======================================================================
FAIL: test_grey.test_binary_closing
----------------------------------------------------------------------
Traceback (most recent call last):
   File "X:\Python33\lib\site-packages\nose\case.py", line 198, in runTest
     self.test(*self.arg)
   File 
"X:\Python33\lib\site-packages\skimage\morphology\tests\test_grey.py", 
line 183, in test_binary_closing
     testing.assert_array_equal(binary_res, grey_res)
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
718, in assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
644, in assert_array_compare
     raise AssertionError(msg)
AssertionError:
Arrays are not equal

(mismatch 66.302490234375%)
  x: array([[False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],...
  y: array([[ True,  True,  True, ...,  True,  True,  True],
        [ True,  True,  True, ...,  True,  True,  True],
        [ True,  True,  True, ..., False, False, False],...

======================================================================
FAIL: test_grey.test_binary_opening
----------------------------------------------------------------------
Traceback (most recent call last):
   File "X:\Python33\lib\site-packages\nose\case.py", line 198, in runTest
     self.test(*self.arg)
   File 
"X:\Python33\lib\site-packages\skimage\morphology\tests\test_grey.py", 
line 190, in test_binary_opening
     testing.assert_array_equal(binary_res, grey_res)
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
718, in assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "X:\Python33\lib\site-packages\numpy\testing\utils.py", line 
644, in assert_array_compare
     raise AssertionError(msg)
AssertionError:
Arrays are not equal

(mismatch 58.465576171875%)
  x: array([[False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],
        [False, False, False, ..., False, False, False],...
  y: array([[ True,  True,  True, ...,  True,  True, False],
        [ True,  True,  True, ...,  True,  True, False],
        [ True,  True,  True, ..., False, False, False],...
```

Christoph