Refresh Python dependencies

Author: mdmintz

requirements.txt

@@ -61,7 +61,8 @@ more-itertools==8.14.0;python_version>="3.6"
 cssselect==1.1.0
 sortedcontainers==2.4.0
 fasteners==0.16;python_version<"3.6"
-fasteners==0.17.3;python_version>="3.6"
+fasteners==0.17.3;python_version>="3.6" and python_version<"3.7"
+fasteners==0.18;python_version>="3.7"
 execnet==1.9.0
 pluggy==0.13.1;python_version<"3.6"
 pluggy==1.0.0;python_version>="3.6"

setup.py

@@ -186,7 +186,8 @@
         "cssselect==1.1.0",
         "sortedcontainers==2.4.0",
         'fasteners==0.16;python_version<"3.6"',
-        'fasteners==0.17.3;python_version>="3.6"',
+        'fasteners==0.17.3;python_version>="3.6" and python_version<"3.7"',
+        'fasteners==0.18;python_version>="3.7"',
         "execnet==1.9.0",
         'pluggy==0.13.1;python_version<"3.6"',
         'pluggy==1.0.0;python_version>="3.6"',