diff --git a/lib/mako/__init__.py b/lib/mako/__init__.py
index 16d187c0..1334e826 100644
--- a/lib/mako/__init__.py
+++ b/lib/mako/__init__.py
@@ -5,4 +5,4 @@
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
 
-__version__ = '1.1.2'
+__version__ = "1.1.5"
diff --git a/lib/mako/compat.py b/lib/mako/compat.py
index 9aac98cb..06bb8d99 100644
--- a/lib/mako/compat.py
+++ b/lib/mako/compat.py
@@ -99,11 +99,20 @@ else:
 
 
 if py3k:
-    from importlib import machinery
-
-    def load_module(module_id, path):
-        return machinery.SourceFileLoader(module_id, path).load_module()
+    from importlib import machinery, util
 
+    if hasattr(util, 'module_from_spec'):
+        # Python 3.5+
+        def load_module(module_id, path):
+            spec = util.spec_from_file_location(module_id, path)
+            module = util.module_from_spec(spec)
+            spec.loader.exec_module(module)
+            return module
+    else:
+        def load_module(module_id, path):
+            module = machinery.SourceFileLoader(module_id, path).load_module()
+            del sys.modules[module_id]
+            return module
 
 else:
     import imp
@@ -111,7 +120,9 @@ else:
     def load_module(module_id, path):
         fp = open(path, "rb")
         try:
-            return imp.load_source(module_id, path, fp)
+            module = imp.load_source(module_id, path, fp)
+            del sys.modules[module_id]
+            return module
         finally:
             fp.close()
 
diff --git a/lib/mako/ext/linguaplugin.py b/lib/mako/ext/linguaplugin.py
index 0f6d165a..c40fa748 100644
--- a/lib/mako/ext/linguaplugin.py
+++ b/lib/mako/ext/linguaplugin.py
@@ -27,7 +27,15 @@ class LinguaMakoExtractor(Extractor, MessageExtractor):
         self.python_extractor = get_extractor("x.py")
         if fileobj is None:
             fileobj = open(filename, "rb")
-        return self.process_file(fileobj)
+            must_close = True
+        else:
+            must_close = False
+        try:
+            for message in self.process_file(fileobj):
+                yield message
+        finally:
+            if must_close:
+                fileobj.close()
 
     def process_python(self, code, code_lineno, translator_strings):
         source = code.getvalue().strip()
diff --git a/lib/mako/lexer.py b/lib/mako/lexer.py
index a02b57f8..6226e268 100644
--- a/lib/mako/lexer.py
+++ b/lib/mako/lexer.py
@@ -201,7 +201,7 @@ class Lexer(object):
         """
         if isinstance(text, compat.text_type):
             m = self._coding_re.match(text)
-            encoding = m and m.group(1) or known_encoding or "ascii"
+            encoding = m and m.group(1) or known_encoding or "utf-8"
             return encoding, text
 
         if text.startswith(codecs.BOM_UTF8):
@@ -222,7 +222,7 @@ class Lexer(object):
             if m:
                 parsed_encoding = m.group(1)
             else:
-                parsed_encoding = known_encoding or "ascii"
+                parsed_encoding = known_encoding or "utf-8"
 
         if decode_raw:
             try:
diff --git a/lib/mako/template.py b/lib/mako/template.py
index 3fd08714..5ed23204 100644
--- a/lib/mako/template.py
+++ b/lib/mako/template.py
@@ -12,7 +12,6 @@ import os
 import re
 import shutil
 import stat
-import sys
 import tempfile
 import types
 import weakref
@@ -414,14 +413,12 @@ class Template(object):
                     self, data, filename, path, self.module_writer
                 )
             module = compat.load_module(self.module_id, path)
-            del sys.modules[self.module_id]
             if module._magic_number != codegen.MAGIC_NUMBER:
                 data = util.read_file(filename)
                 _compile_module_file(
                     self, data, filename, path, self.module_writer
                 )
                 module = compat.load_module(self.module_id, path)
-                del sys.modules[self.module_id]
             ModuleInfo(module, path, self, filename, None, None, None)
         else:
             # template filename and no module directory, compile code