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pylint-dev__astroid-2496.diff

diff --git a/astroid/nodes/node_classes.py b/astroid/nodes/node_classes.py
index c1c7af36..6d1aa5d7 100644
--- a/astroid/nodes/node_classes.py
+++ b/astroid/nodes/node_classes.py
@@ -4692,14 +4692,18 @@ class FormattedValue(NodeNG):
                         yield util.Uninferable
                         uninferable_already_generated = True
                     continue
-                formatted = format(value.value, format_spec.value)
-                yield Const(
-                    formatted,
-                    lineno=self.lineno,
-                    col_offset=self.col_offset,
-                    end_lineno=self.end_lineno,
-                    end_col_offset=self.end_col_offset,
-                )
+
+                    if value.value is not None and format_spec.value is not None:
+                        yield Const(
+                            format(value.value, format_spec.value),
+                            lineno=self.lineno,
+                            col_offset=self.col_offset,
+                            end_lineno=self.end_lineno,
+                            end_col_offset=self.end_col_offset,
+                        )
+                    else:
+                        # Handle the None case, e.g., yield an error or a default value
+                        yield util.Uninferable


 MISSING_VALUE = "{MISSING_VALUE}"