lib/nylas/utils/file_utils.rb in nylas-6.0.0.beta.2 vs lib/nylas/utils/file_utils.rb in nylas-6.0.0.beta.3

@@ -9,12 +9,17 @@
     # @param request_body The values to create the message with.
     # @return The form data to send to the API and the opened files.
     # @!visibility private
     def self.build_form_request(request_body)
       attachments = request_body.delete(:attachments) || request_body.delete("attachments") || []
-      message_payload = request_body.to_json
 
+      # RestClient will not send a multipart request if there are no attachments
+      # so we need to return the message payload to be used as a json payload
+      return [request_body, []] if attachments.empty?
+
       # Prepare the data to return
+      message_payload = request_body.to_json
+
       form_data = {}
       opened_files = []
 
       attachments.each_with_index do |attachment, index|
         file = attachment[:content] || attachment["content"]