Force compiling 'regex' from source (#642)

diff --git a/requirements.txt b/requirements.txt
index 056a393f2c4b5257753427fde6b3689b765a4705..ec60773da86f05fa78e7b57e9ee279c3c83b4071 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,8 @@
 brotlipy==0.7.*
 
 autoflake
-black
+# See: https://github.com/encode/httpx/pull/639#issuecomment-566235998
+black --no-binary=regex
 cryptography
 flake8
 flake8-bugbear