fixed linting issues

lib/apimatic-core/response_handler.rb

@@ -191,7 +191,7 @@ def apply_xml_deserializer(response)
     # Applies deserializer to the response.
     # @param [Boolean] should_symbolize_hash Flag to symbolize the hash during response deserialization.
     def apply_deserializer(response, should_symbolize_hash)
-      return if response.raw_body.nil? or response.raw_body.to_s.strip.empty?
+      return if response.raw_body.nil? || response.raw_body.to_s.strip.empty?
 
       return apply_xml_deserializer(response) if @is_xml_response
       return response.raw_body if @deserializer.nil?

lib/apimatic-core/utilities/api_helper.rb

@@ -290,7 +290,7 @@ def self.valid_type?(value, type_callable, is_model_hash: false, is_inner_model_
     # @return [Hash, Array, nil] The parsed JSON object, or nil if the input string is nil.
     # @raise [TypeError] if the server responds with invalid JSON and primitive type parsing is not allowed.
     def self.json_deserialize(json, should_symbolize = false, allow_primitive_type_parsing = false)
-      return if json.nil? or json.to_s.strip.empty?
+      return if json.nil? || json.to_s.strip.empty?
 
       begin
         JSON.parse(json, symbolize_names: should_symbolize)