Migrate to the new version of Cleo

.flake8

@@ -1,7 +1,9 @@
 [flake8]
 max-line-length = 88
 ignore = E501, E203, W503
-per-file-ignores = __init__.py:F401
+per-file-ignores =
+    __init__.py:F401
+    tests/console/commands/debug/test_resolve.py:W291
 exclude =
     .git
     __pycache__

.pre-commit-config.yaml

@@ -1,26 +1,30 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 19.10b0
+    rev: 20.8b1
     hooks:
       - id: black
 
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+    rev: 3.8.4
     hooks:
       - id: flake8
 
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.4.2
+    rev: 5.7.0
     hooks:
       - id: isort
         additional_dependencies: [toml]
         exclude: ^.*/?setup\.py$
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+    rev: v3.4.0
     hooks:
       - id: trailing-whitespace
-        exclude: ^tests/.*/fixtures/.*
+        exclude: |
+          (?x)(
+            ^tests/.*/fixtures/.*
+            | ^tests/console/commands/debug/test_resolve.py
+          )
       - id: end-of-file-fixer
         exclude: ^tests/.*/fixtures/.*
       - id: debug-statements

poetry/__main__.py

@@ -2,6 +2,6 @@
 
 
 if __name__ == "__main__":
-    from .console import main
+    from .console.application import main
 
     sys.exit(main())

poetry/console/__init__.py

@@ -1,5 +0,0 @@
-from .application import Application
-
-
-def main():  # type: () -> int
-    return Application().run()