urlutil: use bytes for Abort messages

Caught by pytype.  Also fix a minor grammar issue in the second message.

Differential Revision: https://phab.mercurial-scm.org/D10433

mercurial/utils/urlutil.py

@@ -643,11 +643,11 b' class path(object):'
             try:
                 subpath = paths[self.url.host]
             except KeyError:
-                m = _('cannot use `%s`, "%s" is not a known path')
+                m = _(b'cannot use `%s`, "%s" is not a known path')
                 m %= (self.rawloc, self.url.host)
                 raise error.Abort(m)
             if subpath.raw_url.scheme == b'path':
-                m = _('cannot use `%s`, "%s" is also define as a `path://`')
+                m = _(b'cannot use `%s`, "%s" is also defined as a `path://`')
                 m %= (self.rawloc, self.url.host)
                 raise error.Abort(m)
             self.url = subpath.url

tests/test-paths.t

@@ -348,10 +348,10 b' dependency detection.'
   $ hg id
   000000000000
   $ hg path
-  abort: cannot use `path://other_default`, "other_default" is also define as a `path://`
+  abort: cannot use `path://other_default`, "other_default" is also defined as a `path://`
   [255]
   $ hg pull chain_path
-  abort: cannot use `path://other_default`, "other_default" is also define as a `path://`
+  abort: cannot use `path://other_default`, "other_default" is also defined as a `path://`
   [255]
 
 Doing an actual circle should always be an issue
@@ -365,10 +365,10 b' Doing an actual circle should always be '
   $ hg id
   000000000000
   $ hg path
-  abort: cannot use `path://other_default`, "other_default" is also define as a `path://`
+  abort: cannot use `path://other_default`, "other_default" is also defined as a `path://`
   [255]
   $ hg pull chain_path
-  abort: cannot use `path://other_default`, "other_default" is also define as a `path://`
+  abort: cannot use `path://other_default`, "other_default" is also defined as a `path://`
   [255]
 
 Test basic error cases