diff --git a/.gitattributes b/.gitattributes
index 309bcb4f4d088f3d98ff0c664b469c979d7f70ea..ae2e542c4b1f26f2f2817bc7ee8ec227c6782ab5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 data/AB/*/*tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1891/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/f2b994c6e5f24e3196fa9ede36f5a7f3_python.cwl b/.renku/workflow/f2b994c6e5f24e3196fa9ede36f5a7f3_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..dc1f79426c63bc16ad07b6e86b70768ed257ebb4
--- /dev/null
+++ b/.renku/workflow/f2b994c6e5f24e3196fa9ede36f5a7f3_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/1891/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1891/03_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/1891
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1891/03_correctedmeta.tar.gz b/data/AB/1891/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..89b7031fc85ba46324fcf5e80c6f38ba69ed312a
--- /dev/null
+++ b/data/AB/1891/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a8fbb1637eb62e08552934f8887534df0eb5b79c41637e48036d4d1732b3f0d
+size 92160