[generic] ImportError fix - change get_testcases to gettestcases in check-porn.py
diff --git a/devscripts/check-porn.py b/devscripts/check-porn.py
index 7a219ebe97c..72b2ee42276 100644
--- a/devscripts/check-porn.py
+++ b/devscripts/check-porn.py
@@ -14,7 +14,7 @@
 import sys
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
-from test.helper import get_testcases
+from test.helper import gettestcases
 from youtube_dl.utils import compat_urllib_parse_urlparse
 from youtube_dl.utils import compat_urllib_request
 
@@ -24,7 +24,7 @@
 else:
     METHOD = 'EURISTIC'
 
-for test in get_testcases():
+for test in gettestcases():
     if METHOD == 'EURISTIC':
         try:
             webpage = compat_urllib_request.urlopen(test['url'], timeout=10).read()

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### Description of your *pull request* and other information
check-porn was trying to import get_testcases from test.helper, but it does not exist in this package. gettestcases exists instead, which works when the code is run.
