From f0cc482312a393935a762c6b1b1e2aa8d7508b5b Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@dropbox.com>
Date: Wed, 27 Jul 2016 10:46:10 -0700
Subject: [PATCH] Quick fix for --linecount-report if a file contains non-ASCII
 text.

---
 mypy/report.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mypy/report.py b/mypy/report.py
index f50678159cd4..180bbe610bad 100644
--- a/mypy/report.py
+++ b/mypy/report.py
@@ -76,7 +76,9 @@ def __init__(self, reports: Reports, output_dir: str) -> None:
         stats.ensure_dir_exists(output_dir)
 
     def on_file(self, tree: MypyFile, type_map: Dict[Node, Type]) -> None:
-        physical_lines = len(open(tree.path).readlines())
+        # Count physical lines.  This assumes the file's encoding is a
+        # superset of ASCII (or at least uses \n in its line endings).
+        physical_lines = len(open(tree.path, 'rb').readlines())
 
         func_counter = FuncCounterVisitor()
         tree.accept(func_counter)