Fixing build issues

Author: Alexander Refsum Jensenius

musicalgestures/_utils.py

@@ -1,3 +1,5 @@
+from typing import Union
+
 class MgProgressbar():
     """
     Calls in a loop to create terminal progress bar.
@@ -571,7 +573,7 @@ def cast_into_avi(filename, target_name=None, overwrite=False):
 def extract_frame(
     filename: str,
     frame: int=None,
-    time: str|float=None,
+    time: Union[str, float]=None,
     target_name: str=None,
     overwrite: bool=False,
     )-> str:
@@ -581,7 +583,7 @@ def extract_frame(
     Args:
         filename (str): Path to the input video file.
         frame (int): The frame number to extract.
-        time (str|float): The time in HH:MM:ss.ms where to extract the frame from. If float, it is interpreted as seconds from the start of the video.
+        time (Union[str, float]): The time in HH:MM:ss.ms where to extract the frame from. If float, it is interpreted as seconds from the start of the video.
         target_name (str, optional): The name for the output file. If None, the name will be \<input name\>FRAME\<frame number\>.\<file extension\>. Defaults to None.
         overwrite (bool, optional): Whether to allow overwriting existing files or to automatically increment target filename to avoid overwriting. Defaults to False.
     """

musicalgestures/_video.py

@@ -1,6 +1,7 @@
 import os
 import glob
 import numpy as np
+from typing import Union, List
 from musicalgestures._input_test import mg_input_test
 from musicalgestures._videoreader import mg_videoreader
 from musicalgestures._flow import Flow
@@ -32,7 +33,7 @@ class MgVideo(MgAudio):
 
     def __init__(
         self,
-        filename: str|list[str],
+        filename: Union[str, List[str]],
         array=None,
         fps=None,
         path=None,
@@ -60,7 +61,7 @@ def __init__(
         Initializes Musical Gestures data structure from a video file, and applies preprocesses if desired.
 
         Args:
-            filename (str|list[str]): Path to the video file. If input is a list, will merge all videos into one.
+            filename (Union[str, List[str]]): Path to the video file. If input is a list, will merge all videos into one.
             array (np.ndarray, optional): Generates an MgVideo object from a video array. Defauts to None.
             fps (float, optional): The frequency at which consecutive images from the video array are captured or displayed. Defauts to None.
             path (str, optional): Path to save the output video file generated from a video array. Defaults to None.