Downgrade black for python 3.6

Farkites · Farkites · commit 342beee96f7b · 2023-09-26T12:20:42.000+01:00
diff --git a/tests/requirements.txt b/tests/requirements.txt
@@ -16,4 +16,5 @@ biopython==1.76;python_version=="2.7"
 cryptography<3.4;python_version<"3.7"
 pytest==7.0.1
 wrapt==1.14.0;python_version>="3.7"
-black==23.9.1
+black==23.9.1;python_version>="3.7"
+black==22.8.0;python_version<"3.7" 
