html_gen exception if no user env var JAVA_HOME

[jeffwright13]

$ python /Users/jwr003/coding/pt2/pytest_tui/html_gen.py

Traceback (most recent call last):
File "/Users/jwr003/coding/pt2/pytest_tui/html_gen.py", line 372, in
main()
File "/Users/jwr003/coding/pt2/pytest_tui/html_gen.py", line 354, in main
html_tabs = page.create_tabs()
^^^^^^^^^^^^^^^^^^
File "/Users/jwr003/coding/pt2/pytest_tui/html_gen.py", line 275, in create_tabs
tab_metadata = f"""

{self.get_metadata()}

"""
^^^^^^^^^^^^^^^^^^^
File "/Users/jwr003/coding/pt2/pytest_tui/html_gen.py", line 317, in get_metadata
m.pop("JAVA_HOME")
KeyError: 'JAVA_HOME'

[jeffwright13]

Fixed in 1.7.2.