Merge pull request #2499 from FasterSpeeding/bump-attrs-ver

Bump the minimum attrs ver for @Frozen

Author: harahu

setup.py

@@ -79,7 +79,9 @@
     license="MIT OR Apache-2.0",
     packages=find_packages(),
     install_requires=[
-        "attrs >= 19.2.0",  # for eq
+        # attrs 19.2.0 adds `eq` option to decorators
+        # attrs 20.1.0 adds @frozen
+        "attrs >= 20.1.0",
         "sortedcontainers",
         "idna",
         "outcome",

test-requirements.in

@@ -25,7 +25,7 @@ typing-extensions; implementation_name == "cpython"
 
 # Trio's own dependencies
 cffi; os_name == "nt"
-attrs >= 19.2.0
+attrs >= 20.1.0
 sortedcontainers
 idna
 outcome