gnu: Add python-atomicwrites-1.4.

* gnu/packages/python-xyz.scm (python-atomicwrites-1.4): New variable.

Signed-off-by: Lars-Dominik Braun <lars@6xq.net>

gnu/packages/python-xyz.scm

@@ -12460,6 +12460,17 @@ for atomic file system operations.")
 (define-public python2-atomicwrites
   (package-with-python2 python-atomicwrites))
 
+(define-public python-atomicwrites-1.4
+  (package
+    (inherit python-atomicwrites)
+    (version "1.4.0")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "atomicwrites" version))
+              (sha256
+               (base32
+                "0yla2svfhfqrcj8qbyqzx7wi4jy0dwcxvlkg0k3zjd54s5m3jw5f"))))))
+
 (define-public python-qstylizer
   (package
     (name "python-qstylizer")