fix image processor bug (#24)

* update UI

* support image processor bug

app.py

@@ -5,6 +5,9 @@ import gradio as gr
 
 sys.path.append("./ctm")
 from ctm.ctms.ctm_base import BaseConsciousnessTuringMachine
+from PIL import Image
+import io
+import base64
 
 ctm = BaseConsciousnessTuringMachine()
 ctm.add_supervisor("gpt4_supervisor")
@@ -105,6 +108,7 @@ def processor_tab():
 
 
 def forward(query, content, image, state):
+    image = convert_base64(image)
     state["question"] = query
     ask_processors_output_info, state = ask_processors(
         query, content, image, state

ctm/processors/processor_gpt4v.py

@@ -57,7 +57,7 @@ class GPT4VProcessor(BaseProcessor):
                     or "No instruction provided.",
                 },
             ]
-            if image:
+            if image is not None:
                 messages.append(
                     {
                         "type": "image_url",