{AKS} Fix several linter & style issues (#7741)

src/aks-preview/azext_aks_preview/_format.py

@@ -181,7 +181,7 @@ def flatten_version_table(release_info):
 def _custom_functions(preview_versions):
     class CustomFunctions(functions.Functions):  # pylint: disable=too-few-public-methods
 
-        @ functions.signature({'types': ['array']})
+        @functions.signature({'types': ['array']})
         def _func_sort_versions(self, versions):
             """Custom JMESPath `sort_versions` function that sorts an array of strings as software versions"""
             try:
@@ -190,7 +190,7 @@ def _func_sort_versions(self, versions):
             except (TypeError, ValueError):
                 return versions
 
-        @ functions.signature({'types': ['array']})
+        @functions.signature({'types': ['array']})
         def _func_set_preview_array(self, versions):
             """Custom JMESPath `set_preview_array` function that suffixes preview version"""
             try:
@@ -200,7 +200,7 @@ def _func_set_preview_array(self, versions):
             except (TypeError, ValueError):
                 return versions
 
-        @ functions.signature({'types': ['string']})
+        @functions.signature({'types': ['string']})
         def _func_set_preview(self, version):
             """Custom JMESPath `set_preview` function that suffixes preview version"""
             try:
@@ -210,7 +210,7 @@ def _func_set_preview(self, version):
             except (TypeError, ValueError):
                 return version
 
-        @ functions.signature({'types': ['object']})
+        @functions.signature({'types': ['object']})
         def _func_pprint_labels(self, labels):
             """Custom JMESPath `pprint_labels` function that pretty print labels"""
             if not labels:

src/aks-preview/azext_aks_preview/azext_metadata.json

@@ -1,4 +1,5 @@
 {
     "azext.minCliCoreVersion": "2.56.0",
-    "azext.isPreview": true
+    "azext.isPreview": true,
+    "name": "aks-preview"
 }