Update inference.py

inference.py

@@ -56,7 +56,7 @@ def infer(f,r,speaker,key,reqf0=False):
     speaker=int(speaker[7:])
     if not f is None:
         file=f
-    else if not r is None:
+    elif not r is None:
         file=r
     else:
         return "请上传音频", None