Update reference/executionmodel.po

Co-authored-by: Panagiotis Skias <[email protected]>

Author: mgiannopoulos24

reference/executionmodel.po

@@ -323,7 +323,7 @@ msgid ""
 "to the code blocks of methods. This includes comprehensions and generator "
 "expressions, but it does not include :ref:`annotation scopes <annotation-"
 "scopes>`, which have access to their enclosing class scopes. This means that "
-"that the following will fail::"
+"the following will fail::"
 msgstr ""
 "Τα μπλοκ ορισμού κλάσεων και τα ορίσματα στις συναρτήσεις :func:`exec` και :"
 "func:`eval` είναι ειδικές περιπτώσεις στο πλαίσιο της επίλυσης ονομάτων. "