Fix arguments to skip_on_empty helper
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c8ba420..956305e 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,7 @@
+0.7.4 (2020-04-12)
+    * Fix arguments being passed to skip_on_empty_helper (thanks @gaf3;
+      https://github.com/wolever/parameterized/issues/57)
+
 0.7.3 (2020-04-12)
     * Fix some typos (thanks @LWprogramming, @jinnovation;
       https://github.com/wolever/parameterized/pull/77,
diff --git a/README.rst b/README.rst
index 6c06296..f004203 100644
--- a/README.rst
+++ b/README.rst
@@ -540,6 +540,8 @@
       def tearDown(self):
          self.client.logout()
 
+
+
 Using with Single Parameters
 ............................
 
diff --git a/parameterized/parameterized.py b/parameterized/parameterized.py
index 8a38796..090f508 100644
--- a/parameterized/parameterized.py
+++ b/parameterized/parameterized.py
@@ -388,7 +388,7 @@
                     "`parameterized([], skip_on_empty=True)` to skip "
                     "this test when the input is empty)"
                 )
-            wrapper = wraps(test_func)(lambda: skip_on_empty_helper())
+            wrapper = wraps(test_func)(skip_on_empty_helper)
 
         wrapper.parameterized_input = input
         wrapper.parameterized_func = test_func
@@ -609,7 +609,6 @@
 
 
 def default_classname_func(cls, num, p):
-
     name_suffix = p and p[num]
     if isinstance(name_suffix, (list, tuple)) and len(p) > 0:
         name_suffix = name_suffix[0]
@@ -624,4 +623,4 @@
         name_suffix,
     )
 
-    return name
\ No newline at end of file
+    return name