diff --git a/.gitattributes b/.gitattributes
index 43b8c9a059df61c72fd414cc9f13ec0109bc7ab0..2fecf5b9757ccda39913218b655126b34ba55c79 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -193,3 +193,4 @@ data/AB/1946/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1947/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1948/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1949/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1950/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/210bb8dcb40846c5a190ef2cb6392d51_python.cwl b/.renku/workflow/210bb8dcb40846c5a190ef2cb6392d51_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..91c62bd9e0a102ac6ef3f0e9caeac48f91df6bb8
--- /dev/null
+++ b/.renku/workflow/210bb8dcb40846c5a190ef2cb6392d51_python.cwl
@@ -0,0 +1,51 @@
+arguments: []
+baseCommand:
+- python
+class: CommandLineTool
+cwlVersion: v1.0
+hints: []
+inputs:
+  input_1:
+    default:
+      class: File
+      path: ../../src/python/run_correct_meta.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/AB/1950/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1950/03_correctedmeta.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: string
+outputs:
+  output_0:
+    outputBinding:
+      glob: $(inputs.input_3)
+    streamable: false
+    type: File
+permanentFailCodes: []
+requirements:
+- class: InlineJavascriptRequirement
+- class: InitialWorkDirRequirement
+  listing:
+  - entry: '$({"listing": [], "class": "Directory"})'
+    entryname: data/AB/1950
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1950/03_correctedmeta.tar.gz b/data/AB/1950/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..08187619e703e5b28a5f78b37299e64604d475db
--- /dev/null
+++ b/data/AB/1950/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a440ca0b7db8f2d20918c55bdd5e359c16d6311d839a61f030a74b6c9f386519
+size 419840