Convert to reduced list of known types (#50010)

lib/ansible/modules/files/copy.py

@@ -191,27 +191,27 @@ RETURN = r'''
 dest:
     description: Destination file/path
     returned: success
-    type: string
+    type: str
     sample: /path/to/file.txt
 src:
     description: Source file used for the copy on the target machine
     returned: changed
-    type: string
+    type: str
     sample: /home/httpd/.ansible/tmp/ansible-tmp-1423796390.97-147729857856000/source
 md5sum:
     description: MD5 checksum of the file after running copy
     returned: when supported
-    type: string
+    type: str
     sample: 2a5aeecc61dc98c4d780b14b330e3282
 checksum:
     description: SHA1 checksum of the file after running copy
     returned: success
-    type: string
+    type: str
     sample: 6e642bb8dd5c2e027bf21dd923337cbb4214f827
 backup_file:
     description: Name of backup file created
     returned: changed and if backup=yes
-    type: string
+    type: str
     sample: /path/to/file.txt.2015-02-12@22:09~
 gid:
     description: Group id of the file, after execution
@@ -221,12 +221,12 @@ gid:
 group:
     description: Group of the file, after execution
     returned: success
-    type: string
+    type: str
     sample: httpd
 owner:
     description: Owner of the file, after execution
     returned: success
-    type: string
+    type: str
     sample: httpd
 uid:
     description: Owner id of the file, after execution
@@ -236,7 +236,7 @@ uid:
 mode:
     description: Permissions of the target, after execution
     returned: success
-    type: string
+    type: str
     sample: 0644
 size:
     description: Size of the target, after execution
@@ -246,7 +246,7 @@ size:
 state:
     description: State of the target, after execution
     returned: success
-    type: string
+    type: str
     sample: file
 '''