Revert "Don't install black on Cygwin"

EliahKagan · web-flow · commit ea8d19b82608 · 2023-12-22T18:01:55.000-06:00
diff --git a/test-requirements.txt b/test-requirements.txt
@@ -1,4 +1,4 @@
-black ; sys_platform != "cygwin"
+black
 coverage[toml]
 ddt >= 1.1.1, != 1.4.3
 mock ; python_version < "3.8"
