Merge pull request #661 from catchpoint/revert-660-revert-655-firefox…

…_fix

Revert "Revert "Fix selenium version""

wptagent.py

@@ -1060,6 +1060,19 @@ def get_browser_versions(browsers):
             browsers[browser]['version'] = get_file_version(exe)
 
 
+def fix_selenium_version():
+    """
+    On older python versions we are going to force selenium version 3.141.0, 
+    newer versions are going to use 4.8.3
+    """
+    from internal.os_util import run_elevated
+    version = '4.8.3'
+    if sys.version_info[1] == 6:
+        version = '3.141.0'
+
+    run_elevated(sys.executable, f'-m pip install selenium=={version}')
+
+
 # Constant used for --logformat command line parameter mapping
 LOG_FORMATS = ["syslog"]
 
@@ -1269,6 +1282,9 @@ def main():
             logging.critical("Requires python 2.7")
             exit(1)
 
+    # Make sure we are using a compatible selenium version
+    fix_selenium_version()
+
     if options.list:
         from internal.ios_device import iOSDevice
         ios = iOSDevice()