Fix clippy and unittest error

parser/src/lexer.rs

@@ -1625,7 +1625,7 @@ mod tests {
                     is_fstring: false,
                 },
                 Tok::String {
-                    value: String::from("raw\'"),
+                    value: String::from("raw\\'"),
                     is_fstring: false,
                 },
                 Tok::String {

src/shell.rs

@@ -19,7 +19,7 @@ enum ShellExecResult {
 
 fn shell_exec(vm: &VirtualMachine, source: &str, scope: Scope) -> ShellExecResult {
     match vm.compile(source, compile::Mode::Single, "<stdin>".to_owned()) {
-        Ok(code) => match vm.run_code_obj(code, scope.clone()) {
+        Ok(code) => match vm.run_code_obj(code, scope) {
             Ok(_val) => ShellExecResult::Ok,
             Err(err) => ShellExecResult::PyErr(err),
         },