Fix/v1.10.1/random import generic commands mixin (#136)

* Fix import used in GenericCommandsMixin.randomkey
* Bump pyproject version to 1.10.2

fakeredis/commands_mixins/_generic_mixin.py

@@ -1,6 +1,6 @@
 import hashlib
 import pickle
-from random import random
+import random
 
 from fakeredis import _msgs as msgs
 from fakeredis._commands import command, Key, Int, DbIndex, BeforeAny, CommandItem, SortFloat

pyproject.toml

@@ -8,7 +8,7 @@ name = "fakeredis"
 packages = [
     { include = "fakeredis" },
 ]
-version = "1.10.1"
+version = "1.10.2"
 description = "Fake implementation of redis API for testing purposes."
 readme = "README.md"
 keywords = ["redis", "rq", "django-rq", "rq-scheduler"]

test/test_mixins/test_generic_mixin.py

@@ -0,0 +1,9 @@
+def test_randomkey_returns_none_on_empty_db(r):
+    assert r.randomkey() is None
+
+
+def test_randomkey_returns_existing_key(r):
+    r.set("foo", 1)
+    r.set("bar", 2)
+    r.set("baz", 3)
+    assert r.randomkey().decode() in ("foo", "bar", "baz")