fix cargo --fmt check error

diff --git a/src/machine/loader.rs b/src/machine/loader.rs
index ae2fad2b5132434800cff39e732b007f2b0c5805..cd4f419a23aa63b650acb56db927e63fe55d28bd 100644 (file)
--- a/src/machine/loader.rs
+++ b/src/machine/loader.rs
@@ -1973,7 +1973,7 @@ impl Machine {
         };
 
         let key = match append_or_prepend {
-            AppendOrPrepend::Append  => (atom!("assertz"), 1),
+            AppendOrPrepend::Append => (atom!("assertz"), 1),
             AppendOrPrepend::Prepend => (atom!("asserta"), 1),
         };