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-rw-r--r--examples/external/scikit/staining_colors_separation.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/external/scikit/staining_colors_separation.py b/examples/external/scikit/staining_colors_separation.py
index 91de1f63c..28c257c3d 100644
--- a/examples/external/scikit/staining_colors_separation.py
+++ b/examples/external/scikit/staining_colors_separation.py
@@ -43,7 +43,7 @@ import numpy as np
from matplotlib.backends.backend_qt5agg import FigureCanvas
from matplotlib.colors import LinearSegmentedColormap
from matplotlib.figure import Figure
-from PySide2.QtCore import QSize, Qt, Slot
+from PySide2.QtCore import Qt, Slot
from PySide2.QtGui import QKeySequence
from PySide2.QtWidgets import (QAction, QApplication, QHBoxLayout, QLabel,
QMainWindow, QPushButton, QSizePolicy,