fix order of zincrby args to match redis server

fixes #571

redis/client.py

@@ -2226,7 +2226,7 @@ def zcount(self, name, min, max):
         """
         return self.execute_command('ZCOUNT', name, min, max)
 
-    def zincrby(self, name, value, amount=1):
+    def zincrby(self, name, amount, value):
         "Increment the score of ``value`` in sorted set ``name`` by ``amount``"
         return self.execute_command('ZINCRBY', name, amount, value)
 

tests/test_commands.py

@@ -993,8 +993,8 @@ def test_zcount(self, r):
 
     def test_zincrby(self, r):
         r.zadd('a', {'a1': 1, 'a2': 2, 'a3': 3})
-        assert r.zincrby('a', 'a2') == 3.0
-        assert r.zincrby('a', 'a3', amount=5) == 8.0
+        assert r.zincrby('a', 1, 'a2') == 3.0
+        assert r.zincrby('a', 5, 'a3') == 8.0
         assert r.zscore('a', 'a2') == 3.0
         assert r.zscore('a', 'a3') == 8.0
 

tests/test_pipeline.py

@@ -12,7 +12,7 @@ def test_pipeline(self, r):
                  .get('a')
                  .zadd('z', {'z1': 1})
                  .zadd('z', {'z2': 4})
-                 .zincrby('z', 'z1')
+                 .zincrby('z', 1, 'z1')
                  .zrange('z', 0, 5, withscores=True))
             assert pipe.execute() == \
                 [