Typo and small correction in UnicodeDataModuleBuiltins

Author: ppisl

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/SREModuleBuiltins.java

@@ -265,7 +265,7 @@ Object call(TruffleObject callable, Object[] arguments,
                 // TODO This is a hack. The right solution would be to fix it
                 // in
                 // com.oracle.truffle.regex.RegexEngine.RegexEngineMessageResolution.RegexEngineExecuteNode
-                // where is only check whether the argumen is instance of String.
+                // where is only check whether the argument is instance of String.
                 // PString should be there unboxed.
                 for (int i = 0; i < arguments.length; i++) {
                     if (arguments[i] instanceof PString) {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/UnicodeDataModuleBuiltins.java

@@ -91,10 +91,7 @@ public String normalize(@SuppressWarnings("unused") String form, String unistr,
         public String normalize(@SuppressWarnings("unused") String form, PString unistr,
                         @SuppressWarnings("unused") @Cached("form") String cachedForm,
                         @Cached("getForm(cachedForm)") Normalizer.Form cachedNormForm) {
-            if (cachedNormForm == null) {
-                throw raise(ValueError, "invalid normalization form");
-            }
-            return Normalizer.normalize(unistr.getValue(), cachedNormForm);
+            return normalize(form, unistr.getValue(), cachedForm, cachedNormForm);
         }
 
     }