clean up

Author: mmatera

mathics/builtin/system.py

@@ -406,10 +406,6 @@ class UserName(Predefined):
 
     name = "$UserName"
 
-    messages = {
-        'nologin': "UserName not available in this system.",
-    }
-
     def evaluate(self, evaluation) -> String:
         try:
             user = os.getlogin()

mathics/core/evaluation.py

@@ -337,7 +337,6 @@ def evaluate():
                 self.definitions.add_rule(
                     "Out", Rule(Expression("Out", line_no), stored_result)
                 )
-
             if self.last_eval != self.SymbolNull:
                 if check_io_hook("System`$PrePrint"):
                     self.last_eval = Expression(

mathics/test.py

@@ -90,19 +90,8 @@ def fail(why):
         info = sys.exc_info()
         sys.excepthook(*info)
         return False
-    if False:
-        print("out=-----------------")
-        for rr in out:
-            for line in rr.text.splitlines():
-                print("  <",line,">")
-        print("wanted_out=-------------------")
-        for rr in wanted_out:
-            for line in rr.text.splitlines():
-                print("  <",line,">")
-        print("---------------------------------")
 
     if not compare(result, wanted):
-        print("result =!=wanted")
         fail_msg = "Result: %s\nWanted: %s" % (result, wanted)
         if out:
             fail_msg += "\nAdditional output:\n"
@@ -113,8 +102,6 @@ def fail(why):
         output_ok = False
     else:
         for got, wanted in zip(out, wanted_out):
-            if False:
-                print("got=<",got,"> wanted=<",wanted,">")
             if not got == wanted:
                 output_ok = False
                 break