diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 59aaedb..3d8a65a 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,9 +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="$PROJECT_DIR$/Dockerfile" beforeDir="false" afterPath="$PROJECT_DIR$/Dockerfile" 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" />
@@ -28,13 +26,13 @@
           <entry key="md" value="1" />
           <entry key="png" value="7" />
           <entry key="py" value="6" />
-          <entry key="sh" value="1" />
+          <entry key="sh" value="2" />
           <entry key="txt" value="2" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.open">
         <counts>
-          <entry key="Bash" value="1" />
+          <entry key="Bash" value="2" />
           <entry key="Dockerfile" value="1" />
           <entry key="IDEA_MODULE" value="1" />
           <entry key="Image" value="7" />
@@ -98,8 +96,17 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/Dockerfile">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="315">
-              <caret line="21" lean-forward="true" selection-start-line="21" selection-end-line="21" />
+            <state relative-caret-position="210">
+              <caret line="14" column="34" lean-forward="true" selection-start-line="14" selection-start-column="34" selection-end-line="14" selection-end-column="34" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/bootstrap.sh">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="30">
+              <caret line="2" column="22" lean-forward="true" selection-start-line="2" selection-start-column="22" selection-end-line="2" selection-end-column="22" />
             </state>
           </provider>
         </entry>
@@ -198,13 +205,13 @@
     <property name="settings.editor.selected.configurable" value="http.proxy" />
   </component>
   <component name="RecentsManager">
-    <key name="CopyFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$" />
-    </key>
     <key name="MoveFile.RECENT_KEYS">
       <recent name="$PROJECT_DIR$" />
       <recent name="$PROJECT_DIR$/model" />
     </key>
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$" />
+    </key>
   </component>
   <component name="RunDashboard">
     <option name="ruleStates">
@@ -229,16 +236,15 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="2541000" />
+      <workItem from="1588319878551" duration="2803000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="19514000" />
+    <option name="totallyTimeSpent" value="19776000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
-    <editor active="true" />
     <layout>
       <window_info id="Designer" order="0" />
       <window_info id="UI Designer" order="1" />
@@ -344,8 +350,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/Dockerfile">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="315">
-          <caret line="21" lean-forward="true" selection-start-line="21" selection-end-line="21" />
+        <state relative-caret-position="210">
+          <caret line="14" column="34" lean-forward="true" selection-start-line="14" selection-start-column="34" selection-end-line="14" selection-end-column="34" />
         </state>
       </provider>
     </entry>
diff --git a/serve.py b/serve.py
index 519af5b..08aa7fa 100644
--- a/serve.py
+++ b/serve.py
@@ -12,7 +12,7 @@ from sklearn.model_selection import train_test_split
 from model_tensorflow import train, predict
 import csv
 from collections import deque
-from StringIO import StringIO
+from io import StringIO
 
 
 class Config: