Fix is_bencoded

src/tribler/core/tunnel/community.py

@@ -51,7 +51,13 @@ def is_bencoded(x: bytes) -> bool:
     """
     Returns True is x appears to be valid bencoded byte string.
     """
-    return bdecode(x) is not None
+    if not isinstance(x, bytes):
+        raise ValueError('Value should be of bytes type. Got: %s' % type(x).__name__)
+    try:
+        decoded = bdecode(x)
+    except RuntimeError:
+        decoded = None
+    return decoded is not None
 
 
 class TriblerTunnelSettings(HiddenTunnelSettings):