Refresh Python dependencies

Author: mdmintz

requirements.txt

@@ -12,8 +12,9 @@ tomli>=2.0.1;python_version>="3.7"
 tqdm>=4.64.1
 wheel>=0.37.1;python_version<"3.7"
 wheel>=0.38.4;python_version>="3.7"
-attrs>=21.4.0;python_version<"3.6"
-attrs>=22.1.0;python_version>="3.6"
+attrs==21.4.0;python_version<"3.6"
+attrs==22.1.0;python_version>="3.6" and python_version<"3.7"
+attrs>=22.2.0;python_version>="3.7"
 PyYAML>=6.0;python_version>="3.6"
 certifi>=2021.10.8;python_version<"3.6"
 certifi>=2022.12.7;python_version>="3.6"

setup.py

@@ -140,8 +140,9 @@
         "tqdm>=4.64.1",
         'wheel>=0.37.1;python_version<"3.7"',
         'wheel>=0.38.4;python_version>="3.7"',
-        'attrs>=21.4.0;python_version<"3.6"',
-        'attrs>=22.1.0;python_version>="3.6"',
+        'attrs==21.4.0;python_version<"3.6"',
+        'attrs==22.1.0;python_version>="3.6" and python_version<"3.7"',
+        'attrs>=22.2.0;python_version>="3.7"',
         'PyYAML>=6.0;python_version>="3.6"',
         'certifi>=2021.10.8;python_version<"3.6"',
         'certifi>=2022.12.7;python_version>="3.6"',