⬆️ Bump environs from 4.1.0 to 7.0.0

[dependabot-preview]

Bumps environs from 4.1.0 to 7.0.0.

Changelog

Sourced from environs's changelog.

7.0.0 (2019-12-02)

• Backwards-incompatible: Remove stream argument from read_env,
  since it had no effect (#114).
• Backwards-incompatible: Env.read_env consistently returns None
  (#111).
• Remove unnecessary __str__ definition (#112).

Thanks hukkinj1 for the PRs.

6.1.0 (2019-11-03)

Features:

• Add deferred validation via the eager parameter and env.seal() (#56).
  Thanks robertlagrant for the suggestion.

Other changes:

• Test against Python 3.8 (#108).

6.0.0 (2019-09-22)

Features:

• Default parser methods are now defined as bound methods.
  This enables static analysis features, e.g. autocomplete (#103).
  Thanks rugleb for the suggestion.
  Backwards-incompatible: As a result of this change, adding a parser name that is the same as an existing method
  will result in an error being raised.

import environs

env = environs.Env()

# Below conflicts with built-in `url` method.
# In <6.0.0, this would override the built-in method.
# In >=6.0.0, this raises an error:
#   environs.ParserConflictError: Env already has a method with name 'url'. Use a different name.
@env.parser_for("url")
def https_url(value):
    return "https://" + value

Bug fixes:

• Fix error message for prefixed variables (#102).
  Thanks AGeekInside for reporting.

... (truncated)

Commits

• 191c582 Bump version and update changelog
• 7831e50 Update changelog
• 4bec2d7 Merge pull request #111 from hukkinj1/fix-typehint
• c1d63aa Make Env.read_env return None
• f77738d Fix None return value if no dotenv file found recursively
• 9cf4498 Fix return type of Env.read_env()
• d834094 Update changelog
• 66d0636 Merge pull request #114 from hukkinj1/rm-stream-kwarg
• 303024f Remove unnecessary str definition (#112)
• 165f4e1 Remove stream kwarg of read_env()
• Additional commits viewable in compare view

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Superseded by #98.