[fix] type error for compatibility with python 3.8

Author: pieleric

src/odemis/acq/align/goffset.py

@@ -606,7 +606,7 @@ def _do_auto_align_grating_detector_offsets(future: model.ProgressiveFuture,
     :raises CancelledError: if the operation is cancelled
     """
 
-    results: dict[tuple, bool] = {}
+    results: Dict[tuple, bool] = {}
     original_pos = {k: v for k, v in spectrograph.position.value.items()
                     if k in ("wavelength", "grating")}
 

src/odemis/gui/cont/multi_point_correlation.py

@@ -28,7 +28,7 @@
 import threading
 import time
 from enum import Enum
-from typing import List, Union, Optional, Tuple
+from typing import List, Union, Optional, Tuple, Dict
 
 import numpy
 import wx
@@ -220,9 +220,9 @@ def __init__(self, frame):
         # The keys will be tuples of (shape, position)
         # The values will be sets of stream indices
         self.stream_groups: Optional[
-            dict[tuple[tuple[int], tuple[float]], list[int]]] = None  # Dictionary to hold the stream groups
+            Dict[Tuple[Tuple[int], Tuple[float]], List[int]]] = None  # Dictionary to hold the stream groups
         # Key of the selected group chosen previously
-        self.previous_group: Optional[tuple[tuple[int], tuple[float]]] = None
+        self.previous_group: Optional[Tuple[Tuple[int], Tuple[float]]] = None
 
         # Interpolate the fm streams such that the pixel size in z is the same as in x and y
         streams_list = []