[hdf5tomoscan] fix: dont use "is" when comparing Enum and property

tomoscan/esrf/hdf5scan.py

@@ -304,7 +304,7 @@ class HDF5TomoScan(TomoScanBase):
         """projections / radio, does not include the return projections"""
         if self._projections is None:
             if self.frames:
-                proj_frames = tuple(filter(lambda x: x.image_key is ImageKey.PROJECTION and x.is_control is False, self.frames))
+                proj_frames = tuple(filter(lambda x: x.image_key == ImageKey.PROJECTION and x.is_control == False, self.frames))
                 self._projections = {}
                 for proj_frame in proj_frames:
                     self._projections[proj_frame.index] = proj_frame.url
@@ -319,7 +319,7 @@ class HDF5TomoScan(TomoScanBase):
     def darks(self) -> typing.Union[dict, None]:
         if self._darks is None:
             if self.frames:
-                dark_frames = tuple(filter(lambda x: x.image_key is ImageKey.DARK_FIELD, self.frames))
+                dark_frames = tuple(filter(lambda x: x.image_key == ImageKey.DARK_FIELD, self.frames))
                 self._darks = {}
                 for dark_frame in dark_frames:
                     self._darks[dark_frame.index] = dark_frame.url
@@ -330,7 +330,7 @@ class HDF5TomoScan(TomoScanBase):
     def flats(self) -> typing.Union[dict, None]:
         if self._flats is None:
             if self.frames:
-                flat_frames = tuple(filter(lambda x: x.image_key is ImageKey.FLAT_FIELD, self.frames))
+                flat_frames = tuple(filter(lambda x: x.image_key == ImageKey.FLAT_FIELD, self.frames))
                 self._flats = {}
                 for flat_frame in flat_frames:
                     self._flats[flat_frame.index] = flat_frame.url
@@ -380,7 +380,7 @@ class HDF5TomoScan(TomoScanBase):
         """"""
         frames = self.frames
         if frames:
-            return_frames = list(filter(lambda x: x.is_control is True, frames))
+            return_frames = list(filter(lambda x: x.is_control == True, frames))
             return return_frames
         else:
             return None