Switched to setup.cfg for deps

Makefile

@@ -7,7 +7,7 @@ PYTHON=python3.6
 # =====RECIPES=====
 .venv/bin/activate: setup.py
 	'$(PYTHON)' -m venv .venv
-	.venv/bin/pip install -e .[ci] -e .[lint] -e .[dev]
+	.venv/bin/pip install -e .[develop]
 
 venv: .venv/bin/activate
 .PHONY: venv

setup.cfg

@@ -0,0 +1,20 @@
+[options.extras_require]
+# Used to run the tests inside the CICD pipeline
+ci =
+    tox==3.21.1
+
+# Used inside Tox for running tests
+test =
+    pytest==6.2.3
+    pytest-cov==2.11.1
+
+# Used inside tox for linting
+lint =
+    black==20.8b1
+    flake8==3.8.4
+
+# Required for the developer
+develop =
+    %(ci)s
+    %(lint)s
+    jedi==0.18.0

setup.py

@@ -7,20 +7,4 @@ setup(
     description="A utility to simply backing up services.",
     # TODO add license
     packages=["app", "tests"],
-    extras_require={
-        "ci": [
-            "tox==3.21.1",
-        ],
-        "test": {
-            "pytest==6.2.3",
-            "pytest-cov==2.11.1",
-        },
-        "lint": [
-            "black==20.8b1",
-            "flake8==3.8.4",
-        ],
-        "dev": [
-            "jedi==0.18.0",
-        ],
-    },
 )