diff --git a/.gitattributes b/.gitattributes
index 67c99bac5eaeae57f720f4d7d17ff2e836b12a2b..8afa04d831f67033cdca22a2ef2f69116d76ea39 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -220,3 +220,4 @@ data/AB/1973/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1974/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1975/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1976/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1977/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/026ee925d31a43bf9e40d5a698e8d3df_python.cwl b/.renku/workflow/026ee925d31a43bf9e40d5a698e8d3df_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..184185f9208919d01f171b13a58c072e312d6f28
--- /dev/null
+++ b/.renku/workflow/026ee925d31a43bf9e40d5a698e8d3df_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/1977/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1977/03_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/1977
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1977/03_correctedmeta.tar.gz b/data/AB/1977/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..5930d65b2980ce4ca96a8ebe56e5a423853ce702
--- /dev/null
+++ b/data/AB/1977/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97ec846050afbed0d07b71c274ba084f3c251bed92a2c3b9f01459d3f25d46f6
+size 1382400