convert/subversion: fix default URL checker prototype

hgext/convert/subversion.py

@@ -178,7 +178,7 b' def issvnurl(ui, url):'
         path = os.path.abspath(url)
     if proto == 'file':
         path = path.replace(os.sep, '/')
-    check = protomap.get(proto, lambda p, p2: False)
+    check = protomap.get(proto, lambda *args: False)
     while '/' in path:
         if check(ui, path, proto):
             return True

tests/test-convert

@@ -62,4 +62,7 b' hg convert a b'
 echo % "contents of fncache file:"
 cat b/.hg/store/fncache
 
+echo '% test bogus URL'
+hg convert -q bzr+ssh://[e-mail]/baz baz
+
 true

tests/test-convert.out

@@ -287,3 +287,5 b' 0 e'
 % contents of fncache file:
 data/a.i
 data/b.i
+% test bogus URL
+abort: bzr+ssh://[e-mail]/baz: missing or unsupported repository