[entropy.tools] read_elf_real_dynamic_libraries: correctly filter out elf_file

lib/entropy/tools.py

@@ -2714,9 +2714,10 @@ def read_elf_real_dynamic_libraries(elf_file):
     outcome = set()
     if out is not None:
         for line in out.split("\n"):
+            if line == elf_file:
+                continue
             if line:
                 outcome.add(os.path.basename(line))
-    outcome.discard(elf_file)
 
     return outcome
 

lib/tests/tools.py

@@ -477,7 +477,7 @@ class ToolsTest(unittest.TestCase):
              'ld-linux-x86-64.so.2', 'libkrb5support.so.0',
              'libpthread.so.0', 'libgssrpc.so.4',
              'libgssapi_krb5.so.2', 'libdl.so.2',
-             'libk5crypto.so.3', 'libc.so.6', 'libkdb5.so.4.0']
+             'libk5crypto.so.3', 'libc.so.6']
         )
         metadata = et.read_elf_real_dynamic_libraries(elf_obj)
         self.assertEqual(metadata, known_meta)