Fix linting dependencies for prospector
-r pip.txt
# We need these special cases of Python < 3 because we run tests with
# Python 2 still
-astroid==2.1.0; python_version > '3'
+# prospector 1.1.6.2 is not compatible with 2.1.0
+astroid==2.0.4; python_version > '3'
astroid<1.7; python_version < '3'
-pylint==2.2.2; python_version > '3'
+# prospector 1.1.6.2 is not compatible with 2.2.2
+pylint==2.1.1; python_version > '3'
pylint<2; python_version < '3'
-pylint-django==2.0.5; python_version > '3'
+# prospector 1.1.6.2 is not compatible with 2.0.5
+pylint-django==2.0.2; python_version > '3'
pylint-django<0.12; python_version < '3'
pylint-celery==0.3
prospector==1.1.6.2
-pyflakes==2.0.0
+# prospector 1.1.6.2 is not compatible with 2.0.0
+pyflakes<2.0.0
