gnu: Add python-pytest-6.1.

* gnu/packages/check.scm (python-pytest-6.1): New variable.

gnu/packages/check.scm

@@ -1031,6 +1031,17 @@ and many external plugins.")
     (license license:expat)
     (properties `((python2-variant . ,(delay python2-pytest))))))
 
+(define-public python-pytest-6.1
+  (package
+    (inherit python-pytest)
+    (version "6.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "pytest" version))
+        (sha256
+         (base32 "0gl2sdm322vzmsh5k4f8kj9raiq2y7kdinnca4m45ifvii5fk9y0"))))))
+
 (define-public python-pytest-6 python-pytest)
 
 ;; Pytest 4.x are the last versions that support Python 2.