try to make GHA runner happy

Massimiliano Pippi · masci · commit 6a26d8a475be · 2020-05-21T15:06:02.000+02:00
diff --git a/docs/build.py b/docs/build.py
@@ -114,7 +114,7 @@ def main(test, dry, remote):
         print(cmd)
         return 0
 
-    subprocess.run([cmd], shell=True, check=True, cwd=repo_dir)
+    subprocess.run(cmd, shell=True, check=True, cwd=repo_dir)
 
 
 # Usage:
