diff --git a/Lib/trace.py b/Lib/trace.py
index 7260d3e..5a77662 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -487,8 +487,8 @@
         import __main__
         dict = __main__.__dict__
         if not self.donothing:
-            sys.settrace(self.globaltrace)
             threading.settrace(self.globaltrace)
+            sys.settrace(self.globaltrace)
         try:
             exec(cmd, dict, dict)
         finally:
@@ -500,8 +500,8 @@
         if globals is None: globals = {}
         if locals is None: locals = {}
         if not self.donothing:
-            sys.settrace(self.globaltrace)
             threading.settrace(self.globaltrace)
+            sys.settrace(self.globaltrace)
         try:
             exec(cmd, globals, locals)
         finally:
@@ -616,7 +616,7 @@
                 print('%.2f' % (time.time() - self.start_time), end=' ')
             bname = os.path.basename(filename)
             print("%s(%d): %s" % (bname, lineno,
-                                  linecache.getline(filename, lineno)), end=' ')
+                                  linecache.getline(filename, lineno)), end='')
         return self.localtrace
 
     def localtrace_trace(self, frame, why, arg):
@@ -629,7 +629,7 @@
                 print('%.2f' % (time.time() - self.start_time), end=' ')
             bname = os.path.basename(filename)
             print("%s(%d): %s" % (bname, lineno,
-                                  linecache.getline(filename, lineno)), end=' ')
+                                  linecache.getline(filename, lineno)), end='')
         return self.localtrace
 
     def localtrace_count(self, frame, why, arg):