Fix newly found issues

spec/ameba/tokenizer_spec.cr

@@ -13,14 +13,14 @@ module Ameba
 
   describe Tokenizer do
     describe "#run" do
-      it_tokenizes %("string"), %w(DELIMITER_START STRING DELIMITER_END EOF)
-      it_tokenizes %(100), %w(NUMBER EOF)
-      it_tokenizes %('a'), %w(CHAR EOF)
-      it_tokenizes %([]), %w([] EOF)
-      it_tokenizes %([] of String), %w([] SPACE IDENT SPACE CONST EOF)
-      it_tokenizes %q("str #{3}"), %w(
+      it_tokenizes %("string"), %w[DELIMITER_START STRING DELIMITER_END EOF]
+      it_tokenizes %(100), %w[NUMBER EOF]
+      it_tokenizes %('a'), %w[CHAR EOF]
+      it_tokenizes %([]), %w[[] EOF]
+      it_tokenizes %([] of String), %w[[] SPACE IDENT SPACE CONST EOF]
+      it_tokenizes %q("str #{3}"), %w[
         DELIMITER_START STRING INTERPOLATION_START NUMBER } DELIMITER_END EOF
-      )
+      ]
 
       it_tokenizes %(%w[1 2]),
         %w[STRING_ARRAY_START STRING STRING STRING_ARRAY_END EOF]

src/ameba/config.cr

@@ -58,10 +58,10 @@ class Ameba::Config
     Path[XDG_CONFIG_HOME] / "ameba/config.yml",
   }
 
-  DEFAULT_GLOBS = %w(
+  DEFAULT_GLOBS = %w[
     **/*.cr
     !lib
-  )
+  ]
 
   Ameba.ecr_supported? do
     DEFAULT_GLOBS << "**/*.ecr"

src/ameba/rule/lint/require_parentheses.cr

@@ -33,7 +33,7 @@ module Ameba::Rule::Lint
 
     MSG = "Use parentheses in the method call to avoid confusion about precedence"
 
-    ALLOWED_CALL_NAMES = %w{[]? []}
+    ALLOWED_CALL_NAMES = %w[[]? []]
 
     def test(source, node : Crystal::Call)
       return if node.args.empty? ||