update CONTRIBUTING, bump to pymc 5, loosen lint dependency requirements

Author: drbenvincent

CONTRIBUTING.md

@@ -25,8 +25,15 @@ pip install -e .
 4. Install development dependencies
 
 ```
-pip install -r requirements-dev.txt
-pip install -r requirements-docs.txt
+pip install causalpy[dev]
+pip install causalpy[docs]
+```
+
+If that fails, try:
+
+```
+pip install 'causalpy[dev]'
+pip install 'causalpy[docs]'
 ```
 
 It may also be necessary to [install](https://pandoc.org/installing.html) `pandoc`. On a mac, I run `brew install pandoc`.

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
     "numpy",
     "pandas",
     "patsy",
-    "pymc>=4.0.0",
+    "pymc>=5.0.0",
     "scikit-learn>=1",
     "scipy",
     "seaborn>=0.11.2",
@@ -42,7 +42,7 @@ dependencies = [
 # List additional groups of dependencies here (e.g. development dependencies). Users
 # will be able to install these using the "extras" syntax, for example:
 #
-#   $ pip install sampleproject[dev]
+#   $ pip install causalpy[dev]
 #
 # Similar to `dependencies` above, these must be valid existing projects.
 [project.optional-dependencies]
@@ -63,12 +63,12 @@ docs = ["ipykernel",
     "sphinx-rtd-theme",
     "statsmodels",
     ]
-lint = ["black>=22.3.0",
-    "flake8>=4.0.1",
-    "interrogate>=1.5.0",
-    "isort>=5.10.1",
-    "nbqa>=1.5.3",
-    "pre-commit>=2.19."
+lint = ["black",
+    "flake8",
+    "interrogate",
+    "isort",
+    "nbqa",
+    "pre-commit"
     ]
 test = [
     "pytest",