diff --git a/parser/src/fstring.rs b/parser/src/fstring.rs
index 29a588f5e..093e65a22 100644
--- a/parser/src/fstring.rs
+++ b/parser/src/fstring.rs
@@ -27,7 +27,7 @@ impl<'a> FStringParser<'a> {
         let mut delims = Vec::new();
         let mut conversion = None;
         let mut pred_expression_text = String::new();
-        let mut trailing_seq=String::new();
+        let mut trailing_seq = String::new();
 
         while let Some(ch) = self.chars.next() {
             match ch {
@@ -77,7 +77,8 @@ impl<'a> FStringParser<'a> {
 
                 // match a python 3.8 self documenting expression
                 // format '{' PYTHON_EXPRESSION '=' FORMAT_SPECIFIER? '}'
-                '=' if self.chars.peek() != Some(&'=') => { // check for delims empty?
+                '=' if self.chars.peek() != Some(&'=') => {
+                    // check for delims empty?
                     pred_expression_text = expression.to_string(); // safe expression before = to print it
                 }
 
@@ -161,28 +162,25 @@ impl<'a> FStringParser<'a> {
                             conversion,
                             spec,
                         });
-                    }
-                    else {
-                        return Ok(Joined{
-                                values:vec![
-                                    Constant{
-                                        value:pred_expression_text.to_owned()+"="
-                                    },
-
-                                    Constant {
-                                        value:trailing_seq.to_owned()
-                                    },
-
-                                    FormattedValue {
+                    } else {
+                        return Ok(Joined {
+                            values: vec![
+                                Constant {
+                                    value: pred_expression_text.to_owned() + "=",
+                                },
+                                Constant {
+                                    value: trailing_seq.to_owned(),
+                                },
+                                FormattedValue {
                                     value: Box::new(
                                         parse_expression(expression.trim())
                                             .map_err(|e| InvalidExpression(Box::new(e.error)))?,
                                     ),
                                     conversion,
-                                    spec,},
-                                ]
-                            }
-                        );
+                                    spec,
+                                },
+                            ],
+                        });
                     }
                 }
                 '"' | '\'' => {
@@ -360,24 +358,24 @@ mod tests {
 
     #[test]
     fn test_fstring_parse_selfdocumenting_base() {
-        let src=String::from("{user=}");
-        let parse_ast=parse_fstring(&src);
+        let src = String::from("{user=}");
+        let parse_ast = parse_fstring(&src);
 
         assert!(parse_ast.is_ok());
     }
 
     #[test]
     fn test_fstring_parse_selfdocumenting_base_more() {
-        let src=String::from("mix {user=} with text and {second=}");
-        let parse_ast=parse_fstring(&src);
+        let src = String::from("mix {user=} with text and {second=}");
+        let parse_ast = parse_fstring(&src);
 
         assert!(parse_ast.is_ok());
     }
 
     #[test]
     fn test_fstring_parse_selfdocumenting_format() {
-        let src=String::from("{user=:>10}");
-        let parse_ast=parse_fstring(&src);
+        let src = String::from("{user=:>10}");
+        let parse_ast = parse_fstring(&src);
 
         assert!(parse_ast.is_ok());
     }