THRIFT-3596 Better conformance to PEP8

This closes #832
diff --git a/test/crossrunner/compat.py b/test/crossrunner/compat.py
index 6ab9d71..f1ca91b 100644
--- a/test/crossrunner/compat.py
+++ b/test/crossrunner/compat.py
@@ -2,23 +2,23 @@
 import sys
 
 if sys.version_info[0] == 2:
-  _ENCODE = sys.getfilesystemencoding()
+    _ENCODE = sys.getfilesystemencoding()
 
-  def path_join(*args):
-    bin_args = map(lambda a: a.decode(_ENCODE), args)
-    return os.path.join(*bin_args).encode(_ENCODE)
+    def path_join(*args):
+        bin_args = map(lambda a: a.decode(_ENCODE), args)
+        return os.path.join(*bin_args).encode(_ENCODE)
 
-  def str_join(s, l):
-    bin_args = map(lambda a: a.decode(_ENCODE), l)
-    b = s.decode(_ENCODE)
-    return b.join(bin_args).encode(_ENCODE)
+    def str_join(s, l):
+        bin_args = map(lambda a: a.decode(_ENCODE), l)
+        b = s.decode(_ENCODE)
+        return b.join(bin_args).encode(_ENCODE)
 
-  logfile_open = open
+    logfile_open = open
 
 else:
 
-  path_join = os.path.join
-  str_join = str.join
+    path_join = os.path.join
+    str_join = str.join
 
-  def logfile_open(*args):
-    return open(*args, errors='replace')
+    def logfile_open(*args):
+        return open(*args, errors='replace')