Update app.py

app.py

@@ -309,15 +309,17 @@ def get_pdb(pdb_code="", filepath=""):
 
 
 def preprocess_mol(pdb_code="", filepath=""):
-    print(filepath.name)
     print(pdb_code)
     if pdb_code is None or pdb_code == "":
         try:
+            print(filepath.name)
             mol = Molecule(filepath.name)
         except AttributeError as e:
             return None
     else:
         os.system(f"wget -qnc https://files.rcsb.org/view/{pdb_code}.pdb")
+        print(os.getcwd())
+        print(os.listdir())
         mol = Molecule(f"{pdb_code}.pdb")
     mol.write("original.pdb")
     # clean messy files and only include protein itself