diff --git a/src/HowBadIsMyBatch.ipynb b/src/HowBadIsMyBatch.ipynb
index 359655a9b88..75cb5f5c1e1 100644
--- a/src/HowBadIsMyBatch.ipynb
+++ b/src/HowBadIsMyBatch.ipynb
@@ -86,6 +86,33 @@
     "## Download VAERS-Data"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "8f0bfb9c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os\n",
+    "\n",
+    "class AndroidEmulator:\n",
+    "    \n",
+    "    @staticmethod\n",
+    "    def run(runnable):\n",
+    "        AndroidEmulator._start()\n",
+    "        result = runnable()\n",
+    "        AndroidEmulator._stop()\n",
+    "        return result\n",
+    "    \n",
+    "    @staticmethod\n",
+    "    def _start():\n",
+    "        os.system(\"/home/frankknoll/Android/Sdk/emulator/emulator -avd Pixel_2_API_30 -no-window &\")\n",
+    "\n",
+    "    @staticmethod\n",
+    "    def _stop():\n",
+    "        ! adb emu kill"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -119,7 +146,29 @@
     "    return len(driver.find_elements(By.ID, id)) > 0\n",
     "\n",
     "def isCaptchaSolved(driver):\n",
-    "    return not existsElementWithId(driver, \"wordverify\")"
+    "    return not existsElementWithId(driver, \"wordverify\")\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "918d088d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def getTextInCaptchaImage(captchaImageFile):\n",
+    "    baseDir = \"~/AndroidStudioProjects/TextRecognizer\"\n",
+    "    ! cp $captchaImageFile $baseDir/app/src/main/assets/captchas/captcha_image.jpeg\n",
+    "    ! cd $baseDir;./gradlew connectedAndroidTest\n",
+    "    textInCaptchaImage = ! adb shell \"run-as org.textrecognizer cat /data/data/org.textrecognizer/files/captcha_image.txt\"\n",
+    "    return textInCaptchaImage\n",
+    "    \n",
+    "def solveCaptchaAndStartFileDownload(driver, captchaImageFile):\n",
+    "    saveCaptchaImageAs(driver, captchaImageFile)\n",
+    "    textInCaptchaImage = AndroidEmulator.run(lambda: getTextInCaptchaImage(captchaImageFile))\n",
+    "    display('textInCaptchaImage: ', textInCaptchaImage)\n",
+    "    driver.find_element(By.ID, \"verificationCode\").send_keys(textInCaptchaImage)\n",
+    "    driver.find_element(By.CSS_SELECTOR, '[name=\"downloadbut\"]').click()"
    ]
   },
   {
@@ -140,43 +189,23 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c2d1f298",
+   "id": "741ec545",
    "metadata": {},
    "outputs": [],
    "source": [
-    "def getTextInCaptchaImage(captchaImageFile):\n",
-    "    baseDir = \"~/AndroidStudioProjects/TextRecognizer\"\n",
-    "    ! cp $captchaImageFile $baseDir/app/src/main/assets/captchas/captcha_image.jpeg\n",
-    "    ! cd $baseDir;./gradlew connectedAndroidTest\n",
-    "    textInCaptchaImage = ! adb shell \"run-as org.textrecognizer cat /data/data/org.textrecognizer/files/captcha_image.txt\"\n",
-    "    return textInCaptchaImage"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "3be7e021",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "import os\n",
+    "def downloadFile(file, driver, maxTries):\n",
+    "    captchaImageFile = 'captchaImage.jpeg'\n",
+    "    tryNum = 1\n",
+    "    solveCaptchaAndStartFileDownload(driver, captchaImageFile)\n",
+    "    while(not isCaptchaSolved(driver) and tryNum < maxTries):\n",
+    "        solveCaptchaAndStartFileDownload(driver, captchaImageFile)\n",
+    "        tryNum = tryNum + 1\n",
     "\n",
-    "class AndroidEmulator:\n",
-    "    \n",
-    "    @staticmethod\n",
-    "    def run(runnable):\n",
-    "        AndroidEmulator._start()\n",
-    "        result = runnable()\n",
-    "        AndroidEmulator._stop()\n",
-    "        return result\n",
-    "    \n",
-    "    @staticmethod\n",
-    "    def _start():\n",
-    "        os.system(\"/home/frankknoll/Android/Sdk/emulator/emulator -avd Pixel_2_API_30 -no-window &\")\n",
-    "\n",
-    "    @staticmethod\n",
-    "    def _stop():\n",
-    "        ! adb emu kill"
+    "    if isCaptchaSolved(driver):\n",
+    "        waitUntilDownloadHasFinished(file)\n",
+    "        return True\n",
+    "    else:\n",
+    "        return False\n"
    ]
   },
   {
@@ -188,38 +217,13 @@
    "source": [
     "downloadDir = \"/home/frankknoll/Dokumente/Corona/projects/HowBadIsMyBatch/src/VAERS/tmp\"\n",
     "file2Download = '2022VAERSData.zip'\n",
-    "captchaImageFile = 'captchaImage.jpeg'\n",
     "\n",
     "driver = getWebDriver(downloadDir, isHeadless = False)\n",
-    "driver.get('https://vaers.hhs.gov/eSubDownload/index.jsp?fn=' + file2Download)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "0bf84d1c",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "def solveCaptcha(driver, captchaImageFile):\n",
-    "    saveCaptchaImageAs(driver, captchaImageFile)\n",
-    "    textInCaptchaImage = AndroidEmulator.run(lambda: getTextInCaptchaImage(captchaImageFile))\n",
-    "    display('textInCaptchaImage: ', textInCaptchaImage)\n",
-    "    driver.find_element(By.ID, \"verificationCode\").send_keys(textInCaptchaImage)\n",
-    "    driver.find_element(By.CSS_SELECTOR, '[name=\"downloadbut\"]').click()\n",
-    "\n",
-    "maxTries = 5\n",
-    "tryNum = 1\n",
-    "solveCaptcha(driver, captchaImageFile)\n",
-    "while(not isCaptchaSolved(driver) and tryNum <= maxTries):\n",
-    "    solveCaptcha(driver, captchaImageFile)\n",
-    "    tryNum = tryNum + 1\n",
-    "\n",
-    "if isCaptchaSolved(driver):\n",
-    "    waitUntilDownloadHasFinished(downloadDir + \"/\" + file2Download)\n",
-    "    display('file downloaded')\n",
-    "else:\n",
-    "    display('failed to solve captcha and download file')"
+    "driver.get('https://vaers.hhs.gov/eSubDownload/index.jsp?fn=' + file2Download)\n",
+    "downloadFile(\n",
+    "    file = downloadDir + \"/\" + file2Download,\n",
+    "    driver = driver,\n",
+    "    maxTries = 2)"
    ]
   },
   {