From d2272e00c42e3ddde1b0532a4b1ad187816dc98f Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Thu, 7 Jan 2021 13:35:11 +0100
Subject: [PATCH 05/15] gnu: python-pytest-pep8: Fix package.

* gnu/packages/check.scm (python-pytest-pep8) [arguments]: Remove
dependency on pytest-cache and add proper 'check phase.
---
 gnu/packages/check.scm | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/check.scm b/gnu/packages/check.scm
index fba408d88f..796635e012 100644
--- a/gnu/packages/check.scm
+++ b/gnu/packages/check.scm
@@ -2043,7 +2043,19 @@ failures.")
                 "06032agzhw1i9d9qlhfblnl3dw5hcyxhagn7b120zhrszbjzfbh3"))))
     (build-system python-build-system)
     (arguments
-     `(#:tests? #f)) ; Fails with recent pytest and pep8. See upstream issues #8 and #12.
+     `(#:tests? #t ; Fails with recent pytest and pep8. See upstream issues #8 and #12.
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-dependencies
+           (lambda _
+             (substitute* "setup.py"
+               (("'pytest-cache', ") "")) ; Included in recent pytest
+             #t))
+         (replace 'check
+            (lambda* (#:key tests? inputs outputs #:allow-other-keys)
+              (when tests?
+                (add-installed-pythonpath inputs outputs)
+                (invoke "pytest" "-v")))))))
     (native-inputs
      `(("python-pytest" ,python-pytest)))
     (propagated-inputs
-- 
2.26.2