Fix streamlit compatibility issues and update version requirements

app.py

@@ -827,7 +827,7 @@ with main_tab2:
                             images = page.get('images', [])
                             for img in images:
                                 if 'image_base64' in img:
-                                    st.image(img['image_base64'], use_container_width=True)
+                                    st.image(img['image_base64'], width=600)
                             
                             # Display text content if available
                             text_content = page.get('markdown', '')
@@ -925,7 +925,7 @@ with main_tab1:
         
         # Process button - flush left with similar padding as file browser
         with left_col:
-            process_button = st.button("Process Document", use_container_width=True)
+            process_button = st.button("Process Document", width=300)
             
             # Image preprocessing preview in upload column, right after the process button
             if any(preprocessing_options.values()) and uploaded_file.type.startswith('image/'):
@@ -934,13 +934,13 @@ with main_tab1:
                     
                     with preview_cols[0]:
                         st.markdown("**Original Image**")
-                        st.image(uploaded_file, use_container_width=True)
+                        st.image(uploaded_file, width=600)
                     
                     with preview_cols[1]:
                         st.markdown("**Preprocessed Image**")
                         try:
                             processed_bytes = preprocess_image(uploaded_file.getvalue(), preprocessing_options)
-                            st.image(io.BytesIO(processed_bytes), use_container_width=True)
+                            st.image(io.BytesIO(processed_bytes), width=600)
                         except Exception as e:
                             st.error(f"Error in preprocessing: {str(e)}")
                             st.info("Try using grayscale preprocessing for PNG images with transparency")
@@ -1636,7 +1636,7 @@ with main_tab1:
                         with columns1[i]:
                             if img_path.suffix.lower() in ['.jpg', '.jpeg', '.png', '.tif']:
                                 try:
-                                    st.image(str(img_path), caption=img_path.name, use_container_width=True)
+                                    st.image(str(img_path), caption=img_path.name, width=300)
                                 except Exception:
                                     st.info(f"Example: {img_path.name}")
                             else:
@@ -1649,7 +1649,7 @@ with main_tab1:
                         with columns2[i]:
                             if img_path.suffix.lower() in ['.jpg', '.jpeg', '.png', '.tif']:
                                 try:
-                                    st.image(str(img_path), caption=img_path.name, use_container_width=True)
+                                    st.image(str(img_path), caption=img_path.name, width=300)
                                 except Exception:
                                     st.info(f"Example: {img_path.name}")
                             else:
@@ -1662,7 +1662,7 @@ with main_tab1:
                         with columns[i % len(columns)]:
                             if img_path.suffix.lower() in ['.jpg', '.jpeg', '.png', '.tif']:
                                 try:
-                                    st.image(str(img_path), caption=img_path.name, use_container_width=True)
+                                    st.image(str(img_path), caption=img_path.name, width=300)
                                 except Exception:
                                     st.info(f"Example: {img_path.name}")
                             else:

requirements.txt

@@ -1,6 +1,6 @@
 # Generated requirements for Hugging Face Spaces deployment
 
-streamlit>=1.20.0
+streamlit>=1.28.0
 mistralai>=0.0.3
 Pillow>=9.0.0
 opencv-python-headless>=4.5.0