Added train loop + config

.gitignore

@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# Idea
+.idea/

.isort.cfg

@@ -0,0 +1,8 @@
+[tool.isort]
+profile = "black"
+multi_line_output = 3
+include_trailing_comma = True
+force_grid_wrap = 0
+use_parentheses = True
+ensure_newline_before_comments = True
+line_length = 119

.pre-commit-config.yaml

@@ -0,0 +1,56 @@
+exclude: _pb2\.py$
+repos:
+- repo: https://github.com/pre-commit/mirrors-isort
+  rev: f0001b2  # Use the revision sha / tag you want to point at
+  hooks:
+    - id: isort
+      args: ["--profile", "black"]
+- repo: https://github.com/psf/black
+  rev: 20.8b1
+  hooks:
+    - id: black
+- repo: https://github.com/asottile/yesqa
+  rev: v1.1.0
+  hooks:
+  - id: yesqa
+    additional_dependencies:
+    - flake8-bugbear==20.1.4
+    - flake8-builtins==1.5.2
+    - flake8-comprehensions==3.2.2
+    - flake8-tidy-imports==4.1.0
+    - flake8==3.7.9
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+    - id: check-docstring-first
+    - id: check-json
+    - id: check-merge-conflict
+    - id: check-yaml
+    - id: debug-statements
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+    - id: flake8
+    - id: requirements-txt-fixer
+-   repo: https://github.com/pre-commit/mirrors-pylint
+    rev: d230ffd
+    hooks:
+    -   id: pylint
+        args:
+        - --max-line-length=119
+        - --ignore-imports=yes
+        - -d duplicate-code
+- repo: https://github.com/asottile/pyupgrade
+  rev: v2.7.3
+  hooks:
+  - id: pyupgrade
+    args: ['--py37-plus']
+- repo: https://github.com/pre-commit/pygrep-hooks
+  rev: v1.5.1
+  hooks:
+  - id: python-check-mock-methods
+  - id: python-use-type-annotations
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: 9feadeb
+  hooks:
+  - id: mypy
+    args: [--ignore-missing-imports, --warn-no-return, --warn-redundant-casts, --disallow-incomplete-defs]