Invalid Syntax Error when doing anything

[Czechball]

What I wanted: Try out the wpull google.com/about command from readme

What I expect: I expect it to download the about page

What happened: I got a SyntaxError: invalid syntax

The command or website causes the problem: wpull google.com/about

Operating system: Arch Linux - 5.3.1-arch1-1-ARCH

Python version: Python 3.7.4

Wpull version: Wpull 2.0.1

Log/Output:

Traceback (most recent call last):
  File "/usr/bin/wpull", line 11, in <module>
    load_entry_point('wpull==2.0.1', 'console_scripts', 'wpull')()
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 489, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2852, in load_entry_point
    return ep.load()
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2443, in load
    return self.resolve()
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2449, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python3.7/site-packages/wpull/application/main.py", line 4, in <module>
    from wpull.application.builder import Builder
  File "/usr/lib/python3.7/site-packages/wpull/application/builder.py", line 12, in <module>
    from wpull.application.tasks.download import ProcessTask, ParserSetupTask, ClientSetupTask, ProcessorSetupTask, \
  File "/usr/lib/python3.7/site-packages/wpull/application/tasks/download.py", line 10, in <module>
    from wpull.processor.coprocessor.phantomjs import PhantomJSParams
  File "/usr/lib/python3.7/site-packages/wpull/processor/coprocessor/phantomjs.py", line 19, in <module>
    from wpull.driver.phantomjs import PhantomJSDriverParams, PhantomJSDriver
  File "/usr/lib/python3.7/site-packages/wpull/driver/phantomjs.py", line 10, in <module>
    from wpull.driver.process import Process
  File "/usr/lib/python3.7/site-packages/wpull/driver/process.py", line 56
    self._stderr_reader = asyncio.async(self._read_stderr())
                                      ^
SyntaxError: invalid syntax

[JustAnotherArchivist]

Resolved on IRC (wpull only supports Python 3.4 to 3.6); duplicate of #404