added unicode literals in patch
diff --git a/erpnext/patches/august_2012/changed_blog_date_format.py b/erpnext/patches/august_2012/changed_blog_date_format.py
index d2dd870..047a4d9 100644
--- a/erpnext/patches/august_2012/changed_blog_date_format.py
+++ b/erpnext/patches/august_2012/changed_blog_date_format.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 def execute():
 	import webnotes
 	from webnotes.model.doclist import DocList
diff --git a/erpnext/patches/august_2012/remove_cash_flow_statement.py b/erpnext/patches/august_2012/remove_cash_flow_statement.py
index a1243b8..739a4f2 100644
--- a/erpnext/patches/august_2012/remove_cash_flow_statement.py
+++ b/erpnext/patches/august_2012/remove_cash_flow_statement.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 def execute():
 	import webnotes
 	webnotes.conn.sql("delete from `tabSearch Criteria` where name = 'cash_flow_statement'")
\ No newline at end of file
diff --git a/erpnext/patches/august_2012/repost_billed_amt.py b/erpnext/patches/august_2012/repost_billed_amt.py
index e6b463c..4ff7afb 100644
--- a/erpnext/patches/august_2012/repost_billed_amt.py
+++ b/erpnext/patches/august_2012/repost_billed_amt.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 def execute():
 	import webnotes
 	from webnotes.model.code import get_obj
diff --git a/erpnext/support/doctype/newsletter/__init__.py b/erpnext/support/doctype/newsletter/__init__.py
index e69de29..baffc48 100644
--- a/erpnext/support/doctype/newsletter/__init__.py
+++ b/erpnext/support/doctype/newsletter/__init__.py
@@ -0,0 +1 @@
+from __future__ import unicode_literals