diff --git a/.gitattributes b/.gitattributes
index d14a0309f35df8d235cfd821cc2cbeb3f14b60e7..a81d7d333864b474b7c89470639d51871833c675 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -46,3 +46,4 @@ data/AB/1897/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1898/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1899/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1900/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1901/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/1d6fd53db3a8446fb48911ee102c0a77_python.cwl b/.renku/workflow/1d6fd53db3a8446fb48911ee102c0a77_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..ac6eecdc18d7650d6a1380114f6c181e7135650f
--- /dev/null
+++ b/.renku/workflow/1d6fd53db3a8446fb48911ee102c0a77_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/1901/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1901/04_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/1901
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1901/04_correctedxml.tar.gz b/data/AB/1901/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..cf48e28dd551532a9078c1383f7c66be51ddd1bb
--- /dev/null
+++ b/data/AB/1901/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4d75b19590350af409491cfe1210172c5b931bd7c08221a7e8142457e37bc891
+size 3978620