Revise bullet 1 of prepare env

Author: karengu0

articles/defender-for-iot/device-builders/quickstart-upload-firmware-using-python.md

@@ -20,7 +20,7 @@ This quickstart assumes a basic understanding of Defender for IoT Firmware Analy
 
 ### Prepare your environment
 
-* Python version 3.8+ is required to use this package. Run the command `python --version` to check your Python version. If's not the latest, please update to the latest Python version
+* Python version 3.8+ is required to use this package. Run the command `python --version` to check your Python version
 * Make note of your Azure subscription ID, the name of your Resource Group where you'd like to upload your images, your workspace name, and the name of the firmware image that you'd like to upload
 * Ensure that your Azure account has the necessary permissions to upload firmware images to Defender for IoT Firmware Analysis for your Azure subscription. You must be an Owner, Contributor, Security Admin, or Firmware Analysis Admin at the Subscription or Resource Group level to upload firmware images. For more information, visit [Defender for IoT Firmware Analysis Roles, Scopes, and Capabilities](/azure/defender-for-iot/device-builders/defender-iot-firmware-analysis-rbac#defender-for-iot-firmware-analysis-roles-scopes-and-capabilities)
 * Ensure that your firmware image is stored in the same directory as the following code