Create fasta file

app.py

@@ -35,6 +35,12 @@ def compute_Chai1(
 
         if fasta_file is None:
             fasta_file = here / "inputs" / "chai1_default_input.fasta"
+        else:
+            name_file = here / "inputs" / "chai1_custom_input.fasta"
+            with open(fasta_file, "a") as f:
+                f.write(fasta_file)
+            fasta_file = name_file
+            
         print(f"🧬 running Chai inference on {fasta_file}")
         fasta_content = Path(fasta_file).read_text()