add tabulate as a doctests dependency
@@ -133,7 +133,7 @@ mypy = { version = "*", optional = true } # groups = ["dev"]
rope = { version = "*", optional = true } # groups = ["dev"]
doc8 = { version = "*", optional = true } # groups = ["dev"]
readme-renderer = { version = "*", optional = true } # groups = ["dev"]
-tabulate = { version = "*", optional = true } # groups = ["dev"]
+tabulate = { version = "*", optional = true } # groups = ["dev", "doctests"]
[tool.poetry.extras]
