--- a/setup.py	Fri May 15 09:58:21 2015 -0500
+++ b/setup.py	Fri May 15 10:00:46 2015 -0500
@@ -106,25 +106,24 @@
     tmpdir = tempfile.mkdtemp(prefix='hg-install-')
     devnull = oldstderr = None
     try:
-        try:
-            fname = os.path.join(tmpdir, 'funcname.c')
-            f = open(fname, 'w')
-            f.write('int main(void) {\n')
-            f.write('    %s();\n' % funcname)
-            f.write('}\n')
-            f.close()
-            # Redirect stderr to /dev/null to hide any error messages
-            # from the compiler.
-            # This will have to be changed if we ever have to check
-            # for a function on Windows.
-            devnull = open('/dev/null', 'w')
-            oldstderr = os.dup(sys.stderr.fileno())
-            os.dup2(devnull.fileno(), sys.stderr.fileno())
-            objects = cc.compile([fname], output_dir=tmpdir)
-            cc.link_executable(objects, os.path.join(tmpdir, "a.out"))
-        except Exception:
-            return False
+        fname = os.path.join(tmpdir, 'funcname.c')
+        f = open(fname, 'w')
+        f.write('int main(void) {\n')
+        f.write('    %s();\n' % funcname)
+        f.write('}\n')
+        f.close()
+        # Redirect stderr to /dev/null to hide any error messages
+        # from the compiler.
+        # This will have to be changed if we ever have to check
+        # for a function on Windows.
+        devnull = open('/dev/null', 'w')
+        oldstderr = os.dup(sys.stderr.fileno())
+        os.dup2(devnull.fileno(), sys.stderr.fileno())
+        objects = cc.compile([fname], output_dir=tmpdir)
+        cc.link_executable(objects, os.path.join(tmpdir, "a.out"))
         return True
+    except Exception:
+        return False
     finally:
         if oldstderr is not None:
             os.dup2(oldstderr, sys.stderr.fileno())