Return None for empty width string

Author: SilkeSchomann

src/mslice/models/cut/cut.py

@@ -143,7 +143,7 @@ def width(self, width_str):
                 except ValueError:
                     raise ValueError("Invalid width")
         elif width_str == "":
-            self._width = round(self.end - self.start, 8)
+            self._width = self.end - self.start
         else:
             self._width = None
 

src/mslice/widgets/cut/cut.py

@@ -146,6 +146,8 @@ def get_integration_end(self):
         return str(self.lneCutIntegrationEnd.text())
 
     def get_integration_width(self):
+        if self.lneCutIntegrationWidth.text() == "":
+            return None
         return str(self.lneCutIntegrationWidth.text())
 
     def get_intensity_start(self):