chore: remove numpy dependency (#3483)

Author: Panaetius

poetry.lock

@@ -75,7 +75,6 @@ importlib-resources = ">=5.12.0,<5.13.0"
 inject = "<4.4.0,>=4.3.0"
 jinja2 = { version = ">=2.11.3,<3.1.3" }
 networkx = ">=2.6.0,<3.2"
-numpy = ">=1.24.0,<1.25.0"
 packaging = "<24.0,>=23.0"
 pathspec = "<1.0.0,>=0.8.0"
 patool = "==1.12"
@@ -246,11 +245,11 @@ pattern = """(?x)                                          (?# ignore whitespace
 """
 
 [tool.pytest.ini_options]
-addopts = "--flake8 --black --doctest-glob=\"*.rst\" --doctest-modules --cov --cov-report=term-missing --ignore=docs/cheatsheet/"
+addopts = "--doctest-glob=\"*.rst\" --doctest-modules --cov --cov-report=term-missing --ignore=docs/cheatsheet/"
 doctest_optionflags = "ALLOW_UNICODE"
 flake8-ignore = ["*.py", "E121", "E126", "E203", "E226", "E231", "W503", "W504", "docs/conf.py", "docs/cheatsheet/conf.py", "ALL"]
 flake8-max-line-length = 120
-testpaths = ["docs", "tests", "renku", "conftest.py"]
+testpaths = ["docs", "tests", "conftest.py"]
 markers = [
     "integration: mark a test as a integration.",
     "jobs: mark a test as a job test.",

pyproject.toml

@@ -339,8 +339,14 @@ def text_representation(
                         max_y = max(max_y, local_max_y)
 
                     xy = node.view.xy
+                    split = node.data[0].splitlines()
+                    max_height = len(split)
+                    max_width = max(len(line) for line in split)
                     node_shape = NodeShape(
-                        node.data[0], Point(xy[0], xy[1] + min_y), double_border=node.data[1], color=node_color
+                        node.data[0],
+                        Point(round(xy[0] - max_width / 2), round(xy[1] + min_y - max_height)),
+                        double_border=node.data[1],
+                        color=node_color,
                     )
                     canvas.add_shape(node_shape, layer=1)
                     max_y = max(max_y, node_shape.extent[0][1])