Update app.py

app.py

@@ -146,9 +146,16 @@ def predict(file_obj, top_kmers=10, fasta_text=""):
         text = fasta_text.strip()
     elif file_obj is not None:
         try:
-            text = file_obj.decode('utf-8')
+            # Handle file reading based on type
+            if hasattr(file_obj, 'name'):  # Gradio returns a temp file
+                with open(file_obj.name, 'r') as f:
+                    text = f.read()
+            elif isinstance(file_obj, str):  # Already a string
+                text = file_obj
+            else:  # Try reading as bytes
+                text = file_obj.read().decode('utf-8')
         except Exception as e:
-            return f"Error reading file: {str(e)}", None, None
+            return f"Error reading file: {str(e)}\nPlease ensure you're uploading a valid FASTA text file.", None, None
     else:
         return "Please provide a FASTA sequence either by file upload or text input.", None, None
 
@@ -249,7 +256,8 @@ with gr.Blocks(css=css) as iface:
         with gr.Column(scale=1):
             file_input = gr.File(
                 label="Upload FASTA file",
-                file_types=[".fasta", ".fa", ".txt"]
+                file_types=[".fasta", ".fa", ".txt"],
+                type="file"  # Explicitly specify file type
             )
             text_input = gr.Textbox(
                 label="Or paste FASTA sequence",