Skip if expressions from f-strings for the check_elif checker

Close #2816

Author: PCManticore

ChangeLog

@@ -37,6 +37,10 @@ Release date: TBA
 
 * Relicense logo material under the CC BY-SA 4.0 license.
 
+* Skip `if` expressions from f-strings for the `check_elif` checker
+
+  Close #2816
+
 
 What's New in Pylint 2.3.0?
 ===========================

pylint/extensions/check_elif.py

@@ -48,7 +48,9 @@ def process_tokens(self, tokens):
     def leave_module(self, _):
         self._init()
 
-    def visit_ifexp(self, _):
+    def visit_ifexp(self, node):
+        if isinstance(node.parent, astroid.FormattedValue):
+            return
         self._if_counter += 1
 
     def visit_comprehension(self, node):