markdown source builds

Auto-generated via `{sandpaper}`
Source  : c8504ae
Branch  : main
Author  : ShebMichel <45086441+ShebMichel@users.noreply.github.com>
Time    : 2025-12-09 03:38:42 +0000
Message : Merge pull request #254 from abostroem/issue236

adding key to df.to_hdf calls to avoid warning

Author: actions-user

03-transform.md

@@ -736,7 +736,7 @@ We can write a Pandas `DataFrame` to an HDF5 file like this:
 ```python
 filename = 'gd1_data.hdf'
 
-results_df.to_hdf(filename, 'results_df', mode='w')
+results_df.to_hdf(filename, key='results_df', mode='w')
 ```
 
 Because an HDF5 file can contain more than one Dataset, we have to

04-motion.md

@@ -568,7 +568,7 @@ We can add to our existing Pandas `DataFrame` to an HDF5 file by omitting the `m
 ```python
 filename = 'gd1_data.hdf'
 
-selected_df.to_hdf(filename, 'selected_df')
+selected_df.to_hdf(filename, key='selected_df')
 ```
 
 Because an HDF5 file can contain more than one Dataset, we have to
@@ -592,7 +592,7 @@ Hint: Since the file already exists, you should *not* use `mode='w'`.
 ## Solution
 
 ```python
-centerline_df.to_hdf(filename, 'centerline_df')
+centerline_df.to_hdf(filename, key='centerline_df')
 ```
 
 :::::::::::::::::::::::::

md5sum.txt

@@ -5,8 +5,8 @@
 "index.md" "f26708b73f13068fbf4c8da251f0c3de" "site/built/index.md" "2024-03-08"
 "episodes/01-query.md" "37929e0aebcf40db4336e9504910a01c" "site/built/01-query.md" "2025-09-30"
 "episodes/02-coords.md" "e7de8999ad1d7f5b75c046da8f9b7f9b" "site/built/02-coords.md" "2025-09-30"
-"episodes/03-transform.md" "79912b098cc6adba7f6c2add281c70aa" "site/built/03-transform.md" "2025-09-30"
-"episodes/04-motion.md" "c2642d107deb0093d78e111d359bd16f" "site/built/04-motion.md" "2024-03-08"
+"episodes/03-transform.md" "23dfd020a38104055f5b02fb0f90a4c2" "site/built/03-transform.md" "2025-12-09"
+"episodes/04-motion.md" "a33a1b8a385200f422e33062bfbfe426" "site/built/04-motion.md" "2025-12-09"
 "episodes/05-select.md" "5554b751dce605172b84815970a32937" "site/built/05-select.md" "2025-09-30"
 "episodes/06-join.md" "bb54605ee31fc6d60de02f9c7c4c8953" "site/built/06-join.md" "2025-12-09"
 "episodes/07-photo.md" "2a244ed606346a0befbaeb2ea006c488" "site/built/07-photo.md" "2024-03-08"