Fix i18n paver command wrt cleanup

pavelib/i18n.py

@@ -184,6 +184,7 @@ def i18n_ltr():
 
 @task
 @needs(
+    "pavelib.i18n.i18n_clean",
     "pavelib.i18n.i18n_transifex_pull",
     "pavelib.i18n.i18n_extract",
     "pavelib.i18n.i18n_dummy",
@@ -193,9 +194,7 @@ def i18n_robot_pull():
     """
     Pull source strings, generate po and mo files, and validate
     """
-    sh('git clean -fdX conf/locale')
     # sh('paver test_i18n')  # TODO tests were removed from repo, but there should still be tests that cover the translations...
-
     # Validate the recently pulled translations, and give a bail option
     cmd = "i18n_tool validate"
     print("\n\nValidating translations with `i18n_tool validate`...")
@@ -213,6 +212,14 @@ def i18n_robot_pull():
 
 
 @task
+def i18n_clean():
+    """
+    Clean the i18n directory of artifacts
+    """
+    sh('git clean -fdX conf/locale')
+
+
+@task
 @needs(
     "pavelib.i18n.i18n_extract",
     "pavelib.i18n.i18n_transifex_push",