1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/trace.py b/Lib/trace.py
index c505d8b..5e1f9cc 100755
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -49,6 +49,7 @@ Sample use, programmatically
 """
 __all__ = ['Trace', 'CoverageResults']
 
+import io
 import linecache
 import os
 import sys
@@ -716,7 +717,7 @@ def main():
             sys.argv = [opts.progname, *opts.arguments]
             sys.path[0] = os.path.dirname(opts.progname)
 
-            with open(opts.progname, 'rb') as fp:
+            with io.open_code(opts.progname) as fp:
                 code = compile(fp.read(), opts.progname, 'exec')
             # try to emulate __main__ namespace as much as possible
             globs = {