test python 3.10 binder (AntSimi#186)

Update setup.cfg

Author: AntSimi

environment.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - python=3.8
+  - python=3.10
   - ffmpeg
   - pip:
     - -r requirements.txt

setup.cfg

@@ -5,8 +5,8 @@ column_limit = 100
 [flake8]
 max-line-length = 140
 ignore =
-    E203, # whitespace before ':'
-    W503, # line break before binary operator
+    E203,
+    W503,
 exclude=
     build
     doc