edit spectra should now work better; closes #152

src/gui_qt/fit/function_creation_dialog.py

@@ -48,7 +48,7 @@ class QUserFitCreator(QtWidgets.QDialog, Ui_Dialog):
 
         self.update_function()
 
-    def __call__(self, filepath: str|pathlib.Path):
+    def __call__(self, filepath: str | pathlib.Path):
         self.filepath = pathlib.Path(filepath)
 
         return self