diff --git a/.gitattributes b/.gitattributes
index 9a4106e75b37586b2874cfa5776eacd2f9dc42a5..d14a0309f35df8d235cfd821cc2cbeb3f14b60e7 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -45,3 +45,4 @@ data/AB/1896/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 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
diff --git a/.renku/workflow/2f01720f45e24091bb9dda7b971563fe_python.cwl b/.renku/workflow/2f01720f45e24091bb9dda7b971563fe_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..f93e7248d9a4133fa88083cb10c8bb6c72f901bb
--- /dev/null
+++ b/.renku/workflow/2f01720f45e24091bb9dda7b971563fe_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/1900/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1900/04_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/1900
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1900/04_correctedxml.tar.gz b/data/AB/1900/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..2f0d31b12d4ad2da8167b5b0ba237a96b6b82d2a
--- /dev/null
+++ b/data/AB/1900/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6b48367354c477f303d668e4de4f2b184042f7d1e5b62908b18aac6622b9d94
+size 3527041