fix: python3.9 support (#396)

* fixes for python3.9

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* pin docling-parse with python3.9 wheels

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* update deps

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

---------

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

pyproject.toml

@@ -24,10 +24,10 @@ packages = [{include = "docling"}]
 ######################
 # actual dependencies:
 ######################
-python = "^3.10"
+python = "^3.9"
 pydantic = "^2.0.0"
 docling-core = "^2.4.0"
-docling-ibm-models = "^2.0.3"
+docling-ibm-models = "^2.0.6"
 deepsearch-glm = "^0.26.1"
 filetype = "^1.2.0"
 pypdfium2 = "^4.30.0"
@@ -36,10 +36,10 @@ huggingface_hub = ">=0.23,<1"
 requests = "^2.32.3"
 easyocr = "^1.7"
 tesserocr = { version = "^2.7.1", optional = true }
-docling-parse = "^2.0.2"
+docling-parse = "^2.0.5"
 certifi = ">=2024.7.4"
 rtree = "^1.3.0"
-scipy = "^1.14.1"
+scipy = "^1.6.0"
 pyarrow = "^16.1.0"
 typer = "^0.12.5"
 python-docx = "^1.1.2"
@@ -81,6 +81,12 @@ langchain-huggingface = "^0.0.3"
 langchain-milvus = "^0.1.4"
 langchain-text-splitters = "^0.2.4"
 
+[tool.poetry.group.constraints.dependencies]
+numpy = [
+    { version = "^2.1.0", markers = 'python_version >= "3.13"' },
+    { version = "^1.24.4", markers = 'python_version < "3.13"' },
+]
+
 [tool.poetry.group.mac_intel]
 optional = true
 
@@ -107,13 +113,13 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.black]
 line-length = 88
-target-version = ["py310"]
+target-version = ["py39"]
 include = '\.pyi?$'
 
 [tool.isort]
 profile = "black"
 line_length = 88
-py_version=311
+py_version=39
 
 [tool.mypy]
 pretty = true