diff --git a/gradio/interpretation.py b/gradio/interpretation.py
index ba029bd8c6..03a21f13b8 100644
--- a/gradio/interpretation.py
+++ b/gradio/interpretation.py
@@ -6,7 +6,6 @@ import numpy as np
 
 expected_types = {
     Image: "numpy",
-    Textbox: "str"
 }
 
 def default(separator=" ", n_segments=20):
diff --git a/gradio/networking.py b/gradio/networking.py
index dc7a8d6575..2ac005c596 100644
--- a/gradio/networking.py
+++ b/gradio/networking.py
@@ -143,7 +143,9 @@ def interpret():
         processed_input = []
         for i, x in enumerate(raw_input):
             input_interface = copy.deepcopy(app.interface.input_interfaces[i])
-            input_interface.type = gr.interpretation.expected_types[type(input_interface)]
+            interface_type = type(input_interface)
+            if interface_type in gr.interpretation.expected_types:
+                input_interface.type = [gr.interpretation.expected_types[interface_type]]
             processed_input.append(input_interface.preprocess(x))
     else:
         processed_input = [input_interface.preprocess(raw_input[i])