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collections.abc not just collections

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This commit is contained in:
Ogi Moore 2021-03-22 22:17:28 -07:00
parent 4951bd743e
commit 675516e0b1
1 changed files with 3 additions and 3 deletions
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6
pyqtgraph/colormap.py
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@ -3,7 +3,7 @@ from .Qt import QtGui, QtCore
from .python2_3 import basestring
from .functions import mkColor, eq
from os import path, listdir
import collections
from collections.abc import Callable, Sequence
_mapCache = {}
@ -126,7 +126,7 @@ def _get_from_matplotlib(name):
col_map = mpl_plt.get_cmap(name)
if hasattr(col_map, '_segmentdata'): # handle LinearSegmentedColormap
data = col_map._segmentdata
if ('red' in data) and isinstance(data['red'], collections.Sequence):
if ('red' in data) and isinstance(data['red'], Sequence):
positions = set() # super-set of handle positions in individual channels
for key in ['red','green','blue']:
for tup in data[key]:
@ -142,7 +142,7 @@ def _get_from_matplotlib(name):
col_data[:,idx] = np.interp(col_data[:,3], positions, comp_vals)
cm = ColorMap(pos=col_data[:,-1], color=255*col_data[:,:3]+0.5)
# some color maps (gnuplot in particular) are defined by RGB component functions:
elif ('red' in data) and isinstance(data['red'], collections.Callable):
elif ('red' in data) and isinstance(data['red'], Callable):
col_data = np.zeros((64, 4))
col_data[:,-1] = np.linspace(0., 1., 64)
for idx, key in enumerate(['red','green','blue']):