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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/interpolated_string_escape_error.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..26,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 0..11,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 0..11,
value: FStringValue {
inner: Single(
FString {
range: 0..11,
node_index: NodeIndex(None),
elements: [
Literal(
InterpolatedStringLiteralElement {
range: 2..7,
node_index: NodeIndex(None),
value: "",
},
),
Interpolation(
InterpolatedElement {
range: 7..10,
node_index: NodeIndex(None),
expression: Name(
ExprName {
node_index: NodeIndex(None),
range: 8..9,
id: Name("x"),
ctx: Load,
},
),
debug_text: None,
conversion: None,
format_spec: None,
runtime_str: None,
runtime_interpolation_format_spec: None,
runtime_formatted_value_format_spec: None,
},
),
],
flags: FStringFlags {
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
},
runtime_joined_str: None,
runtime_values: None,
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 12..25,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 12..25,
value: FStringValue {
inner: Concatenated(
[
Literal(
StringLiteral {
range: 12..21,
node_index: NodeIndex(None),
value: "",
flags: StringLiteralFlags {
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
Literal(
StringLiteral {
range: 22..25,
node_index: NodeIndex(None),
value: "c",
flags: StringLiteralFlags {
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
],
),
},
runtime_joined_str: None,
runtime_values: None,
},
),
},
),
],
runtime_body: None,
},
)
```
## Errors
|
1 | f'a\N b{x}'
| ^ Syntax Error: (unicode error) 'unicodeescape' codec can't decode bytes in position 1-2: malformed \N character escape
2 | t'{x}\x1' 'c'
|
|
1 | f'a\N b{x}'
2 | t'{x}\x1' 'c'
| ^ Syntax Error: (unicode error) 'unicodeescape' codec can't decode bytes in position 0-2: truncated \xXX escape
|
1 | f'a\N b{x}'
2 | t'{x}\x1' 'c'
| ^^^^^^^^^^^^^ Syntax Error: cannot mix t-string literals with string or bytes literals