pinning redis to 3.5.3 and updating minor version (#160)

Author: chayim

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "redisearch"
-version = "2.1.0"
+version = "2.1.1"
 description = "RedisSearch Python Client"
 authors = ["RedisLabs <[email protected]>"]
 license = "BSD-3-Clause"
@@ -23,7 +23,7 @@ keywords = ["Redis Search Extension"]
 
 [tool.poetry.dependencies]
 python = "^3.6.0"
-redis = "^3.5.3"
+redis = "3.5.3"
 six = "^1.16.0"
 rmtest = {git = "https://github.com/RedisLabs/rmtest"}
 rejson = "^0.5.4"