Pin coverage at 6.2 for the moment nedbat/coveragepy#1310

Author: vEpiphyte

requirements_dev.txt

@@ -5,3 +5,6 @@ pytest-cov>=3.0.0,<4.0.0
 pycodestyle>=2.8.0,<3.0.0
 bump2version>=1.0.1,<1.1.0
 pytest-xdist>=2.4.0,<3.0.0
+# Remporary until https://github.com/nedbat/coveragepy/issues/1310 is resolved.
+coverage>=6.2,<6.3
+

setup.py

@@ -127,6 +127,7 @@ def run(self):
             'pycodestyle>=2.8.0,<3.0.0',
             'bump2version>=1.0.1,<1.1.0',
             'pytest-xdist>=2.4.0,<3.0.0',
+            'coverage>=6.2,<6.3',
         ],
     },