diff --git a/lib/py/src/Thrift.py b/lib/py/src/Thrift.py
index e69de29..0c4a458 100644
--- a/lib/py/src/Thrift.py
+++ b/lib/py/src/Thrift.py
@@ -0,0 +1,6 @@
+class TProcessor:
+
+  """Base class for procsessor, which works on two streams."""
+
+  def process(itrans, otrans):
+    pass