Fix errors in manifests

preserve_locals/globals should be a list.
Cast it to a list if it looks like it has mistaken been passed as a string.

Author: dflook

src/python_minifier/__init__.py

@@ -168,8 +168,12 @@ def minify(
 
     if preserve_locals is None:
         preserve_locals = []
+    elif isinstance(preserve_locals, str):
+        preserve_locals = [preserve_locals]
     if preserve_globals is None:
         preserve_globals = []
+    elif isinstance(preserve_globals, str):
+        preserve_globals = [preserve_globals]
 
     preserve_locals.extend(module.preserved)
     preserve_globals.extend(module.preserved)

xtest/manifests/python3.10_test_manifest.yaml

@@ -865,17 +865,21 @@
     rename_globals: true
 /usr/local/lib/python3.10/test/test_contextlib_async.py:
 - options:
-    preserve_locals: baz
+    preserve_locals:
+    - baz
 - options:
     rename_globals: true
-    preserve_locals: baz
+    preserve_locals:
+    - baz
 - options:
     remove_literal_statements: true
-    preserve_locals: baz
+    preserve_locals:
+    - baz
 - options:
     remove_literal_statements: true
     rename_globals: true
-    preserve_locals: baz
+    preserve_locals:
+    - baz
 /usr/local/lib/python3.10/test/test_copy.py:
 - options: {}
 - options:

xtest/manifests/python3.11_test_manifest.yaml

@@ -188,17 +188,21 @@
 /usr/local/lib/python3.11/test/test_asyncio/test_futures.py: []
 /usr/local/lib/python3.11/test/test_asyncio/test_futures2.py:
 - options:
-    preserve_locals: future
+    preserve_locals:
+    - future
 - options:
     rename_globals: true
-    preserve_locals: future
+    preserve_locals:
+    - future
 - options:
     remove_literal_statements: true
-    preserve_locals: future
+    preserve_locals:
+    - future
 - options:
     remove_literal_statements: true
     rename_globals: true
-    preserve_locals: future
+    preserve_locals:
+    - future
 /usr/local/lib/python3.11/test/test_asyncio/test_locks.py:
 - options: {}
 - options:
@@ -2904,17 +2908,21 @@
     rename_globals: true
 /usr/local/lib/python3.11/test/test_opcache.py:
 - options:
-    preserve_locals: Class
+    preserve_locals:
+    - Class
 - options:
     rename_globals: true
-    preserve_locals: Class
+    preserve_locals:
+    - Class
 - options:
     remove_literal_statements: true
-    preserve_locals: Class
+    preserve_locals:
+    - Class
 - options:
     remove_literal_statements: true
     rename_globals: true
-    preserve_locals: Class
+    preserve_locals:
+    - Class
 /usr/local/lib/python3.11/test/test_opcodes.py:
 - options: {}
 - options:

xtest/manifests/python3.12_test_manifest.yaml

@@ -4740,20 +4740,24 @@
   status: passing
 /usr/local/lib/python3.12/test/test_opcache.py:
 - options:
-    preserve_locals: Class
+    preserve_locals:
+    - Class
     remove_literal_statements: true
     rename_globals: true
   status: passing
 - options:
-    preserve_locals: Class
+    preserve_locals:
+    - Class
     rename_globals: true
   status: passing
 - options:
-    preserve_locals: Class
+    preserve_locals:
+    - Class
     remove_literal_statements: true
   status: passing
 - options:
-    preserve_locals: Class
+    preserve_locals:
+    - Class
   status: passing
 /usr/local/lib/python3.12/test/test_opcodes.py:
 - options: