chore: Un-break Travis build by testing Chalice pinned

Author: untitaker

tox.ini

@@ -76,7 +76,7 @@ envlist =
 
     {py3.5,py3.6,py3.7,py3.8,py3.9}-pure_eval
 
-    {py3.6,py3.7,py3.8}-chalice
+    {py3.6,py3.7,py3.8}-chalice-{1.16,1.17,1.18,1.19}
 
 [testenv]
 deps =
@@ -198,7 +198,10 @@ deps =
     py3.8: hypothesis
 
     pure_eval: pure_eval
-    chalice: chalice>=1.16.0
+    chalice-1.16: chalice>=1.16.0,<1.17.0
+    chalice-1.17: chalice>=1.17.0,<1.18.0
+    chalice-1.18: chalice>=1.18.0,<1.19.0
+    chalice-1.19: chalice>=1.19.0,<1.20.0
     chalice: pytest-chalice==0.0.5
 
 setenv =