Ignore any closing errors on Python 2.7

Author: myint

language_check/__init__.py

@@ -393,20 +393,31 @@ def _terminate_server(cls):
 
         try:
             cls._server.terminate()
+        except OSError:
+            pass
 
-            try:
-                error_message = cls._server.communicate()[1].strip()
-            except ValueError:
-                pass
+        try:
+            error_message = cls._server.communicate()[1].strip()
+        except (IOError, ValueError):
+            pass
 
-            cls._server.stdin.close()
-            cls._server.stderr.close()
+        try:
             cls._server.stdout.close()
+        except IOError:
+            pass
 
-            cls._server = None
-        except OSError:
+        try:
+            cls._server.stdin.close()
+        except IOError:
             pass
 
+        try:
+            cls._server.stderr.close()
+        except IOError:
+            pass
+
+        cls._server = None
+
         return error_message