Revert jupyter_client restriction

i.e. c8e50da3

Revert jupyter_client restriction
7a406d54 · Philipp S. Sommer · 0c58e555 · 7a406d54
Commit 7a406d54 authored 4 years ago by Philipp S. Sommer
--- a/ci/conda-recipe/meta.yaml
+++ b/ci/conda-recipe/meta.yaml
@@ -25,9 +25,6 @@ requirements:
    - fasteners
    - sphinx
    - sphinx_rtd_theme
-    # HACK: Should be removed when https://github.com/ipython/ipykernel/pull/489
-    # is implemented
-    - jupyter_client <6.0.0

 test:
  imports: