Update app.py

app.py

@@ -23,7 +23,8 @@ def get_admet(smiles):
 # المعالجة الرئيسية
 def analyze_smiles(file):
     try:
-        content = file.read().decode("utf-8")
+        with open(file.name, "r", encoding="utf-8") as f:
+            content = f.read()
         smiles_list = [line.strip() for line in content.splitlines() if line.strip()]
         df = pd.DataFrame({"SMILES": smiles_list})
         admet_df = df["SMILES"].apply(get_admet)
@@ -36,12 +37,16 @@ def analyze_smiles(file):
         excel_b64 = base64.b64encode(excel_data).decode()
 
         # Markdown table
-        table_md = final_df.to_markdown(index=False)
+        try:
+            import tabulate  # Try to import it explicitly
+            table_md = final_df.to_markdown(index=False)
+        except ImportError:
+            table_md = "❌ مكتبة 'tabulate' مطلوبة لعرض الجدول. استخدم: pip install tabulate"
 
         return (
             "✅ التحليل ناجح!",
             table_md,
-            f'<a download="ADMET_Analysis.xlsx" href="data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,{excel_b64}">⬇️ تحميل ملف Excel</a>',
+            f'<a download="ADMET_Analysis.xlsx" href="data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,{excel_b64}">⬇️ تحميل ملف Excel</a>'
         )
 
     except Exception as e: