Update pyproject.toml

Add poetry.lock file
Fix imports in feedback.py

mbtrack2/tracking/feedback.py

@@ -6,7 +6,8 @@ feedback for tracking.
 import matplotlib.pyplot as plt
 import numpy as np
 
-from mbtrack2.tracking import Beam, Bunch, Element
+from mbtrack2.tracking.element import Element
+from mbtrack2.tracking.particles import Beam, Bunch
 
 
 class ExponentialDamper(Element):

pyproject.toml

 [tool.poetry]
 name = "mbtrack2"
-version = "0.4.1"
+version = "0.5.0"
 description = "A coherent object-oriented framework to work on collective effects in synchrotrons."
 authors = ["Alexis Gamelin <alexis.gamelin@synchrotron-soleil.fr>"]
 license = "BSD-3-Clause"
@@ -20,9 +20,18 @@ accelerator-toolbox = ">= 0.3.0"
 seaborn = "^0.12"
 
 [tool.poetry.group.dev.dependencies]
-black = "^22.1"
+yapf = ">= 0.29"
+isort = "5.*"
 pytest = "^7.1"
 
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.yapf]
+based_on_style = "pep8"
+arithmetic_precedence_indication = true
+
+[tool.isort]
+multi_line_output = 3
+include_trailing_comma = true
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