qheuristics
diff --git a/‎.pre-commit-config.yaml
Lines changed: 5 additions & 9 deletions b/‎.pre-commit-config.yaml
Lines changed: 5 additions & 9 deletions
diff --git a/‎ci/environment.yml
Lines changed: 1 addition & 1 deletion b/‎ci/environment.yml
Lines changed: 1 addition & 1 deletion
diff --git a/‎conf.py
Lines changed: 9 additions & 1 deletion b/‎conf.py
Lines changed: 9 additions & 1 deletion
diff --git a/‎scipy-tutorial/03_computation_with_xarray.ipynb
Lines changed: 13 additions & 23 deletions b/‎scipy-tutorial/03_computation_with_xarray.ipynb
Lines changed: 13 additions & 23 deletions
 repos:
 
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.5.0
+    rev: v4.1.0
     hooks:
     - id: trailing-whitespace
     - id: end-of-file-fixer
@@ -12,27 +12,23 @@ repos:
       args: ["--autofix", "--indent=2", "--no-sort-keys"]
 
 -   repo: https://github.com/ambv/black
-    rev: 19.10b0
+    rev: 22.1.0
     hooks:
     - id: black
       args: ["--line-length", "100"]
 
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.0a2
+    rev: 3.9.2
     hooks:
     - id: flake8
 
--   repo: https://github.com/asottile/seed-isort-config
-    rev: v2.1.1
-    hooks:
-    - id: seed-isort-config
 -   repo: https://github.com/pre-commit/mirrors-isort
-    rev: v4.3.21
+    rev: v5.10.1
     hooks:
     - id: isort
 
 -   repo: https://github.com/deathbeds/prenotebook
-    rev: master
+    rev: f5bdb72a400f1a56fe88109936c83aa12cc349fa
     hooks:
     - id: prenotebook
 
 
@@ -1,7 +1,7 @@
 name: xarray
 channels:
   - conda-forge
-  - default
+  - nodefaults
 dependencies:
   - pathlib
   - nbconvert
 
@@ -156,7 +156,15 @@
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [(master_doc, "xarraytutorial", "Xarray Tutorial Documentation", [author], 1,)]
+man_pages = [
+    (
+        master_doc,
+        "xarraytutorial",
+        "Xarray Tutorial Documentation",
+        [author],
+        1,
+    )
+]
 
 
 # -- Options for Texinfo output ----------------------------------------------
 
@@ -149,7 +149,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "f = 0.5 * np.log(sst_kelvin ** 2)\n",
+    "f = 0.5 * np.log(sst_kelvin**2)\n",
     "f"
    ]
   },
@@ -600,25 +600,8 @@
    "source": [
     "#### Aggregations\n",
     "\n",
-    "`.apply` accepts as its argument a function. We can pass an existing function:\n"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "gb.map(np.mean)"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "Because we specified no extra arguments (like `axis`) the function was applied\n",
-    "over all space and time dimensions. This is not what we wanted. Instead, we\n",
-    "could define a custom function. This function takes a single argument--the group\n",
+    "`.map` accepts as its argument a function that expects and return xarray objects. \n",
+    "We define a custom function. This function takes a single argument--the group\n",
     "dataset--and returns a new dataset to be combined:\n"
    ]
   },
@@ -947,9 +930,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python [conda env:xarray-tutorial]",
    "language": "python",
-   "name": "python3"
+   "name": "conda-env-xarray-tutorial-py"
   },
   "language_info": {
    "codemirror_mode": {
@@ -961,7 +944,14 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.1"
+   "version": "3.8.12"
+  },
+  "widgets": {
+   "application/vnd.jupyter.widget-state+json": {
+    "state": {},
+    "version_major": 2,
+    "version_minor": 0
+   }
   }
  },
  "nbformat": 4,