DIDONEproject
diff --git a/‎docs/source/Tutorial poprock.ipynb
+227-1,220 b/‎docs/source/Tutorial poprock.ipynb
+227-1,220
diff --git a/‎docs/source/Tutorial.ipynb
+1,437-55 b/‎docs/source/Tutorial.ipynb
+1,437-55
diff --git a/‎docs/source/musif.log.2023-12-26
+143,640 b/‎docs/source/musif.log.2023-12-26
+143,640
diff --git a/‎musif/extract/features/tempo/handler.py
+1-1 b/‎musif/extract/features/tempo/handler.py
+1-1
diff --git a/‎pyproject.toml
+2-3 b/‎pyproject.toml
+2-3
diff --git a/‎xml_cut_and_save_midi.py
-104 b/‎xml_cut_and_save_midi.py
-104
@@ -136,7 +136,7 @@ def extract_time_signatures(measures: list, score_data: dict) -> tuple:
             time_signatures.append(time_signatures[ts_measures[element.measureNumber]])
 
     time_signatures_set = set(time_signatures)
-    time_signature = list(sorted(time_signatures_set, key=time_signatures.index))[0]
+    time_signature = list(sorted(time_signatures_set, key=time_signatures.index))[0] if time_signatures_set else ''
 
     time_signature_grouped = get_time_signature_type(time_signature)
     number_of_beats = get_number_of_beats(time_signature)
 
@@ -14,17 +14,16 @@ dependencies = [
 name = "musif"
 version = "1.2"
 description = "Music feature extraction library from the DIDONE project"
-authors = [{ name = "Didone Project", email = "[email protected]" }]
+authors = [{name = "Didone Project", email = "[email protected]"}]
 requires-python = ">=3.10"
 readme = "README.md"
-license = { text = "MIT" }
+license = { text = "MIT"}
 [project.optional-dependencies]
 
 [build-system]
 requires = ["pdm-pep517>=1.0.0"]
 build-backend = "pdm.pep517.api"
 
-
 [tool]
 [tool.pdm]
 [tool.pdm.build]