lib/httpx/transcoder/multipart/encoder.rb in httpx-1.3.3 vs lib/httpx/transcoder/multipart/encoder.rb in httpx-1.3.4

@@ -33,10 +33,12 @@
         data unless length && data.empty?
       end
 
       def rewind
         form = @form.each_with_object([]) do |(key, val), aux|
-          val = val.reopen(val.path, File::RDONLY) if val.is_a?(File) && val.closed?
+          if val.respond_to?(:path) && val.respond_to?(:reopen) && val.respond_to?(:closed?) && val.closed?
+            val = val.reopen(val.path, File::RDONLY)
+          end
           val.rewind if val.respond_to?(:rewind)
           aux << [key, val]
         end
         @form = form
         @parts = to_parts(form)