diff --git a/.gitattributes b/.gitattributes
index 65e7cf8070743e025ae28d80b7c79441598d591a..65c53770a9084edb4c09d61bd57ca5518645fb8e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -101,3 +101,4 @@ data/AB/1927/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1928/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1929/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1930/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1931/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/6835dd153a684356ad32ca5e45504bf6_python.cwl b/.renku/workflow/6835dd153a684356ad32ca5e45504bf6_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..1a607499c92f4d6d5a8c2694d73d94f788ecb2ff
--- /dev/null
+++ b/.renku/workflow/6835dd153a684356ad32ca5e45504bf6_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_correctxml.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/AB/1931/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1931/04_correctedxml.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/1931
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1931/04_correctedxml.tar.gz b/data/AB/1931/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..12d9cf43130e0034ec8950c354938f84fbe6ceda
--- /dev/null
+++ b/data/AB/1931/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edb6450b9d8ca3b44b6cfb664b572bb7fe262802a12a295a0cc69ddf6f143df5
+size 10732803