Add test case for #2588

1 files changed, 16 insertions, 1 deletions

diff --git a/pylint/test/functional/too_many_arguments.py b/pylint/test/functional/too_many_arguments.py
index 71015ab04..689745e27 100644
--- a/pylint/test/functional/too_many_arguments.py
+++ b/pylint/test/functional/too_many_arguments.py
@@ -1,4 +1,4 @@
-# pylint: disable=missing-docstring
+# pylint: disable=missing-docstring,wrong-import-position
 
 def stupid_function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9): # [too-many-arguments]
     return arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9
@@ -15,3 +15,18 @@ class MyClass:
 
 
 MyClass().mymethod2()()
+
+
+# Check a false positive does not occur
+from functools import partial
+
+
+def root_function(first, second, third):
+    return first + second + third
+
+
+def func_call():
+    """Test we don't emit a FP for https://github.com/PyCQA/pylint/issues/2588"""
+    partial_func = partial(root_function, 1, 2, 3)
+    partial_func()
+    return root_function(1, 2, 3)