Issue #14084: Fix a file descriptor leak when importing a module with a bad encoding.
diff --git a/Python/import.c b/Python/import.c
index e5581c5..f443ab8 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -3195,8 +3195,10 @@
                memory. */
             found_encoding = PyTokenizer_FindEncoding(fd);
             lseek(fd, 0, 0); /* Reset position */
-            if (found_encoding == NULL && PyErr_Occurred())
+            if (found_encoding == NULL && PyErr_Occurred()) {
+                close(fd);
                 return NULL;
+            }
             encoding = (found_encoding != NULL) ? found_encoding :
                    (char*)PyUnicode_GetDefaultEncoding();
         }