diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index c4c42ce..10474af 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -247,7 +247,7 @@
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588411820165" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588411975992" />
     <property name="go.gopath.indexing.explicitly.defined" value="true" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
diff --git a/serve.py b/serve.py
index f9dfa7c..218a9d8 100644
--- a/serve.py
+++ b/serve.py
@@ -145,11 +145,13 @@ def predict(job, seq):
 	# transform data to be stationary
 	raw_values = df.values
 	print(raw_values)
-	diff_values = difference(raw_values, 1)[batch_size:]
+	diff_values = difference(raw_values, 1)
+	print(diff_values)
+
 	# transform data to be supervised learning
 	lag = 4
 	supervised = timeseries_to_supervised(diff_values, lag)
-	supervised_values = supervised.values
+	supervised_values = supervised.values[batch_size:]
 
 	test = supervised_values
 	print(test)