diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 37876ce..3ea3625 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,11 +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="$PROJECT_DIR$/rf.py" beforeDir="false" afterPath="$PROJECT_DIR$/rf.py" 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" />
@@ -32,7 +28,7 @@
           <entry key="iml" value="1" />
           <entry key="md" value="2" />
           <entry key="png" value="7" />
-          <entry key="py" value="12" />
+          <entry key="py" value="13" />
           <entry key="sh" value="3" />
           <entry key="txt" value="2" />
         </counts>
@@ -45,7 +41,7 @@
           <entry key="Image" value="7" />
           <entry key="Markdown" value="2" />
           <entry key="PLAIN_TEXT" value="8" />
-          <entry key="Python" value="12" />
+          <entry key="Python" value="13" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
@@ -75,8 +71,8 @@
       <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="-1610">
-              <caret line="67" lean-forward="true" selection-start-line="67" selection-end-line="67" />
+            <state relative-caret-position="33">
+              <caret line="71" column="12" selection-start-line="71" selection-start-column="12" selection-end-line="71" selection-end-column="12" />
               <folding>
                 <element signature="e#18#46#0" expanded="true" />
               </folding>
@@ -87,8 +83,8 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/rf.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="277">
-              <caret line="258" column="22" lean-forward="true" selection-start-line="258" selection-start-column="22" selection-end-line="258" selection-end-column="22" />
+            <state relative-caret-position="408">
+              <caret line="242" column="25" lean-forward="true" selection-start-line="242" selection-start-column="25" selection-end-line="242" selection-end-column="25" />
               <folding>
                 <element signature="e#21#39#0" expanded="true" />
                 <marker date="1593330072988" expanded="true" signature="1440:1442" ph="..." />
@@ -207,7 +203,7 @@
   <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="1593445354606" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1593507304004" />
     <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" />
@@ -252,12 +248,12 @@
       <workItem from="1588319878551" duration="41219000" />
       <workItem from="1588426002721" duration="336000" />
       <workItem from="1588427782140" duration="326000" />
-      <workItem from="1592809729651" duration="19564000" />
+      <workItem from="1592809729651" duration="20067000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="78418000" />
+    <option name="totallyTimeSpent" value="78921000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -268,10 +264,10 @@
       <window_info id="Capture Tool" order="2" />
       <window_info id="Favorites" order="3" side_tool="true" />
       <window_info id="Image Layers" order="4" />
-      <window_info content_ui="combo" id="Project" order="5" sideWeight="0.49898168" visible="true" weight="0.2657512" />
+      <window_info active="true" content_ui="combo" id="Project" order="5" sideWeight="0.49898168" visible="true" weight="0.2657512" />
       <window_info id="Structure" order="6" sideWeight="0.50101835" side_tool="true" weight="0.24959612" />
       <window_info anchor="bottom" id="Version Control" order="0" />
-      <window_info active="true" anchor="bottom" id="Terminal" order="1" visible="true" weight="0.32739726" />
+      <window_info anchor="bottom" id="Terminal" order="1" visible="true" weight="0.32739726" />
       <window_info anchor="bottom" id="Event Log" order="2" side_tool="true" />
       <window_info anchor="bottom" id="Database Changes" order="3" show_stripe_button="false" />
       <window_info anchor="bottom" id="Docker" order="4" show_stripe_button="false" />
@@ -414,8 +410,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/rf.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="277">
-          <caret line="258" column="22" lean-forward="true" selection-start-line="258" selection-start-column="22" selection-end-line="258" selection-end-column="22" />
+        <state relative-caret-position="408">
+          <caret line="242" column="25" lean-forward="true" selection-start-line="242" selection-start-column="25" selection-end-line="242" selection-end-column="25" />
           <folding>
             <element signature="e#21#39#0" expanded="true" />
             <marker date="1593330072988" expanded="true" signature="1440:1442" ph="..." />
@@ -425,8 +421,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/serve.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1610">
-          <caret line="67" lean-forward="true" selection-start-line="67" selection-end-line="67" />
+        <state relative-caret-position="33">
+          <caret line="71" column="12" selection-start-line="71" selection-start-column="12" selection-end-line="71" selection-end-column="12" />
           <folding>
             <element signature="e#18#46#0" expanded="true" />
           </folding>
diff --git a/serve.py b/serve.py
index b7960b5..df8701f 100644
--- a/serve.py
+++ b/serve.py
@@ -76,6 +76,8 @@ def predict(job, features):
 		values.append(features[feature])
 
 	datafile = './data/' + job + '.' + str(random.randint(1000, 9999)) + '.csv'
+	if not os.path.exists(datafile):
+		return -1, False
 	t = ['job']
 	t.extend(models[job]['features'])
 	with open(datafile, 'w', newline='') as csvfile:
@@ -99,6 +101,8 @@ def predict(job, features):
 	for label in models[job]['labels']:
 		# load the model from disk
 		modelfile = './data/' + job + '_' + label + '.sav'
+		if not os.path.exists(modelfile):
+			return -1, False
 		model = pickle.load(open(modelfile, 'rb'))
 		preds = model.predict(test_feature)
 		predictions[label] = preds[0]