Upgrades

Author: nedbat

requirements/pip.pip

@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
 # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
 
-pip==20.2.2
-virtualenv==20.0.31
+pip==20.2.4
+virtualenv==20.2.1

requirements/pytest.pip

@@ -5,8 +5,9 @@
 
 # 4.x is last to support py2
 pytest==4.6.11
-pytest-xdist==1.32.0
-flaky==3.6.1
+# 1.34 is last to support py2
+pytest-xdist==1.34.0
+flaky==3.7.0
 # 4.x is py3-only
 mock==3.0.5
 # Use a fork of PyContracts that supports Python 3.9

requirements/tox.pip

@@ -2,4 +2,4 @@
 # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
 
 # The version of tox used by coverage.py
-tox==3.19.0
+tox==3.20.1

requirements/wheel.pip

@@ -3,5 +3,6 @@
 
 # Things needed to make wheels for coverage.py
 
+# setuptools 45.x is py3-only
 setuptools==44.1.1
-wheel==0.34.2
+wheel==0.35.1