Run pre-commit autoupdate

Committed via https://github.com/asottile/all-repos

Author: sloria

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/asottile/pyupgrade
-  rev: v1.26.0
+  rev: v2.4.1
   hooks:
   - id: pyupgrade
     args: ["--py3-plus"]
@@ -10,12 +10,12 @@ repos:
   - id: black
     language_version: python3
 - repo: https://gitlab.com/pycqa/flake8
-  rev: 3.7.9
+  rev: 3.8.1
   hooks:
   - id: flake8
     additional_dependencies: ["flake8-bugbear==20.1.4"]
 - repo: https://github.com/asottile/blacken-docs
-  rev: v1.5.0-1
+  rev: v1.7.0
   hooks:
   - id: blacken-docs
     additional_dependencies: [black==19.10b0]

setup.py

@@ -14,7 +14,7 @@
 
 def find_version(fname):
     version = ""
-    with open(fname, "r") as fp:
+    with open(fname) as fp:
         reg = re.compile(r'__version__ = [\'"]([^\'"]*)[\'"]')
         for line in fp:
             m = reg.match(line)