I04_1-268: file path did not work for .exe bundle

dls_barcode/geometry/unipuck_locator.py

@@ -3,6 +3,8 @@
 import math
 import os
 
+import sys
+
 from dls_util.image.contours_manager import ContoursManager
 from dls_util.image.image_morphology import ImageMorphology
 from dls_barcode.geometry.unipuck import Unipuck
@@ -101,8 +103,12 @@ def _find_contours_of_features(self, x, y, rad):
 
     def _find_feature(self, features_cnt):  # do this better
         # compares the feature from the image with the features found on the edge of the puck
-        dir_path = os.path.dirname(os.path.realpath(__file__))
-        f_path = os.path.join(dir_path, '..', '..', 'resources', 'features', 'fit.png')
+        if getattr(sys, 'frozen', False): # for the .exe bundle
+            #see: #see https://pythonhosted.org/PyInstaller/runtime-information.html
+            f_path = os.path.join('..', 'resources', 'features', 'fit.png')
+        else:
+            dir_path = os.path.dirname(os.path.abspath(__file__))
+            f_path = os.path.join(dir_path, '..', '..', 'resources', 'features', 'fit.png')
         img_feature_cnt = ContoursManager(255 - self._read_feature_image(f_path))
         img_feature_cnt.find_all()