/usr/lib/python2.7/dist-packages/pyqtgraph/numpy_fix.py is in python-pyqtgraph 0.9.10-5.
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import numpy as np
## Wrap np.concatenate to catch and avoid a segmentation fault bug
## (numpy trac issue #2084)
if not hasattr(np, 'concatenate_orig'):
np.concatenate_orig = np.concatenate
def concatenate(vals, *args, **kwds):
"""Wrapper around numpy.concatenate (see pyqtgraph/numpy_fix.py)"""
dtypes = [getattr(v, 'dtype', None) for v in vals]
names = [getattr(dt, 'names', None) for dt in dtypes]
if len(dtypes) < 2 or all([n is None for n in names]):
return np.concatenate_orig(vals, *args, **kwds)
if any([dt != dtypes[0] for dt in dtypes[1:]]):
raise TypeError("Cannot concatenate structured arrays of different dtype.")
return np.concatenate_orig(vals, *args, **kwds)
np.concatenate = concatenate
except ImportError:
pass
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