explicit converting tif images to mode "I"

mtor/gui.py

@@ -217,6 +217,10 @@ class MtorImageAnalysis(QWidget):
 
 
 def run_gui():
+    import traceback
+
+    try:
+
         app = QApplication(sys.argv)
         mia = MtorImageAnalysis()
         app.exec_()
@@ -242,5 +246,8 @@ def run_gui():
                     stderr=None,
                     close_fds=True,
                 )
-
+    except Exception as err:
+        traceback.print_exc()
+        input("Press enter to close this window")
+    finally:
         sys.exit()

mtor/imageproc.py

@@ -12,7 +12,7 @@ from .commons import (
 
 def open_as_array(tif_image):
     with tif_image.path.open("rb") as filehandle:
-        image = Image.open(filehandle)
+        image = Image.open(filehandle).convert(mode="I")
         image_array = numpy.array(image, dtype=numpy.int32)
     return TifArray(
         path=tif_image.path, frame=tif_image.frame, data=image_array

mtor/prescan.py

@@ -11,7 +11,7 @@ def scan_tifs(parameters):
 
     for tif in tqdm(parameters.tif_list):
         with tif.path.open("rb") as filehandle:
-            image = Image.open(filehandle)
+            image = Image.open(filehandle).convert(mode="I")
             mi, ma = image.getextrema()
             lowest = min(lowest, mi)
             highest = max(highest, ma)