fix: handle empty keys and values in zip_object and zip_object_deep

Fixes #235

src/pydash/arrays.py

@@ -2694,9 +2694,12 @@ def zip_object(keys, values=None):
     .. versionchanged:: 4.0.0
         Removed alias ``object_``.
     """
-
     if values is None:
-        keys, values = unzip(keys)
+        keys_values = unzip(keys)
+        if len(keys_values) == 0:
+            keys, values = [], []
+        else:
+            keys, values = keys_values
 
     return dict(zip(keys, values))
 
@@ -2722,8 +2725,12 @@ def zip_object_deep(
 
     .. versionadded:: 4.0.0
     """
-    if values is None:  # pragma: no cover
-        keys, values = unzip(keys)
+    if values is None:
+        keys_values = unzip(keys)
+        if len(keys_values) == 0:
+            keys, values = [], []
+        else:
+            keys, values = keys_values
 
     obj: t.Dict[t.Any, t.Any] = {}
     for idx, key in enumerate(keys):

tests/test_arrays.py

@@ -915,6 +915,8 @@ def test_zip_(case, expected):
     [
         ((["moe", "larry"], [30, 40]), {"moe": 30, "larry": 40}),
         (([["moe", 30], ["larry", 40]],), {"moe": 30, "larry": 40}),
+        (([],), {}),
+        (([], []), {}),
     ],
 )
 def test_zip_object(case, expected):
@@ -925,7 +927,10 @@ def test_zip_object(case, expected):
     "case,expected",
     [
         ((["a.b.c", "a.b.d"], [1, 2]), {"a": {"b": {"c": 1, "d": 2}}}),
+        (([["a.b.c", 1], ["a.b.d", 2]],), {"a": {"b": {"c": 1, "d": 2}}}),
         ((["a.b[0].c", "a.b[1].d"], [1, 2]), {"a": {"b": [{"c": 1}, {"d": 2}]}}),
+        (([],), {}),
+        (([], []), {}),
     ],
 )
 def test_zip_object_deep(case, expected):