fix(ci): Update pre-commit hooks and apply new black (#4359)

* fix(ci): Update pre-commit hooks and apply new black

* remove empty docstring

.github/workflows/pre-commit.yml

@@ -14,7 +14,7 @@ jobs:
             ~/.cache/pip
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
       - uses: actions/setup-python@v2
-      - uses: psf/black@20.8b1
+      - uses: psf/black@21.4b0
       - name: Install pre-commit
         run: |
           python -m pip install --upgrade pip

.pre-commit-config.yaml

@@ -13,17 +13,17 @@ repos:
           )$
       - id: requirements-txt-fixer
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 21.4b0
     hooks:
       - id: black
   - repo: https://github.com/PyCQA/isort
-    rev: 5.7.0
+    rev: 5.8.0
     hooks:
       - id: isort
         args:
           - --profile=black
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.0
+    rev: 3.9.1
     hooks:
       - id: flake8
         args:

hashes/md5.py

@@ -94,7 +94,6 @@ def not32(i):
 
 
 def sum32(a, b):
-    """"""
     return (a + b) % 2 ** 32