diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d6e4d2f..04f9975 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/serve.py" beforeDir="false" afterPath="$PROJECT_DIR$/serve.py" afterDir="false" />
-    </list>
+    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="" />
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -51,7 +48,7 @@
           <entry key="csv" value="9" />
           <entry key="gitignore" value="12" />
           <entry key="md" value="141" />
-          <entry key="py" value="4274" />
+          <entry key="py" value="4300" />
           <entry key="sh" value="5" />
         </counts>
       </usages-collector>
@@ -61,7 +58,7 @@
           <entry key="Dockerfile" value="81" />
           <entry key="Markdown" value="141" />
           <entry key="PLAIN_TEXT" value="21" />
-          <entry key="Python" value="4274" />
+          <entry key="Python" value="4300" />
         </counts>
       </usages-collector>
     </session>
@@ -92,13 +89,13 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/serve.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="272">
-              <caret line="146" column="37" selection-start-line="146" selection-start-column="37" selection-end-line="146" selection-end-column="37" />
+            <state relative-caret-position="255">
+              <caret line="128" column="42" lean-forward="true" selection-start-line="128" selection-start-column="42" selection-end-line="128" selection-end-column="42" />
               <folding>
                 <element signature="e#18#46#0" expanded="true" />
-                <marker date="1588416551324" expanded="true" signature="1198:1201" ph="..." />
-                <marker date="1588416551324" expanded="true" signature="3508:3510" ph="..." />
-                <marker date="1588416551324" expanded="true" signature="4610:5342" ph="..." />
+                <marker date="1588416794061" expanded="true" signature="1234:1237" ph="..." />
+                <marker date="1588416794061" expanded="true" signature="3508:3510" ph="..." />
+                <marker date="1588416794061" expanded="true" signature="4623:5340" ph="..." />
               </folding>
             </state>
           </provider>
@@ -230,7 +227,7 @@
   <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="1588416782546" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588416785953" />
     <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" />
@@ -271,12 +268,12 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="38074000" />
+      <workItem from="1588319878551" duration="38314000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="55047000" />
+    <option name="totallyTimeSpent" value="55287000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -422,13 +419,13 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/serve.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="272">
-          <caret line="146" column="37" selection-start-line="146" selection-start-column="37" selection-end-line="146" selection-end-column="37" />
+        <state relative-caret-position="255">
+          <caret line="128" column="42" lean-forward="true" selection-start-line="128" selection-start-column="42" selection-end-line="128" selection-end-column="42" />
           <folding>
             <element signature="e#18#46#0" expanded="true" />
-            <marker date="1588416551324" expanded="true" signature="1198:1201" ph="..." />
-            <marker date="1588416551324" expanded="true" signature="3508:3510" ph="..." />
-            <marker date="1588416551324" expanded="true" signature="4610:5342" ph="..." />
+            <marker date="1588416794061" expanded="true" signature="1234:1237" ph="..." />
+            <marker date="1588416794061" expanded="true" signature="3508:3510" ph="..." />
+            <marker date="1588416794061" expanded="true" signature="4623:5340" ph="..." />
           </folding>
         </state>
       </provider>
diff --git a/serve.py b/serve.py
index bb1085a..0dc930c 100644
--- a/serve.py
+++ b/serve.py
@@ -135,7 +135,7 @@ def train_models(job):
 
 
 def predict(job, seq):
-	if job not in models or 'model' not in models[job]:
+	if job not in models or 'batch_size' not in models[job]:
 		return -1, False
 
 	batch_size = int(models[job]['batch_size'])