From c795eef4a2250571391f45930952c57da1e119e6 Mon Sep 17 00:00:00 2001
From: Jamie Cook <jamie.cook@veitchlister.com.au>
Date: Mon, 28 Sep 2020 15:29:56 +1000
Subject: [PATCH] new versions of toolz dont seem to have a compatibility
 component, but zip is part of the standard

---
 activitysim/core/orca.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/activitysim/core/orca.py b/activitysim/core/orca.py
index dca8c59da..eae4c5e78 100644
--- a/activitysim/core/orca.py
+++ b/activitysim/core/orca.py
@@ -982,8 +982,8 @@ def _collect_variables(names, expressions=None):
         expressions = []
     offset = len(names) - len(expressions)
     labels_map = dict(tz.concatv(
-        tz.compatibility.zip(names[:offset], names[:offset]),
-        tz.compatibility.zip(names[offset:], expressions)))
+        zip(names[:offset], names[:offset]),
+        zip(names[offset:], expressions)))
 
     all_variables = tz.merge(_INJECTABLES, _TABLES)
     variables = {}