Removed "del im"

Tests/test_file_dcx.py

@@ -24,10 +24,12 @@ def test_sanity():
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(TEST_FILE)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_fli.py

@@ -32,10 +32,12 @@ def test_sanity():
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(static_test_file)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_gif.py

@@ -32,10 +32,12 @@ def test_sanity():
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(TEST_GIF)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_im.py

@@ -28,10 +28,12 @@ def test_name_limit(tmp_path):
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(TEST_IM)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_mpo.py

@@ -38,10 +38,12 @@ def test_sanity(test_file):
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(test_files[0])
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_psd.py

@@ -23,10 +23,12 @@ def test_sanity():
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(test_file)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_spider.py

@@ -21,10 +21,12 @@ def test_sanity():
 
 @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
 def test_unclosed_file():
-    with pytest.warns(ResourceWarning):
+    def open():
         im = Image.open(TEST_FILE)
         im.load()
-        del im
+
+    with pytest.warns(ResourceWarning):
+        open()
 
 
 def test_closed_file():

Tests/test_file_tiff.py

@@ -57,10 +57,12 @@ class TestFileTiff:
 
     @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
     def test_unclosed_file(self):
-        with pytest.warns(ResourceWarning):
+        def open():
             im = Image.open("Tests/images/multipage.tiff")
             im.load()
-            del im
+
+        with pytest.warns(ResourceWarning):
+            open()
 
     def test_closed_file(self):
         with warnings.catch_warnings():