Fix Gradio compatibility issues for Python 3.9 on HF Spaces

- Downgrade Gradio to v4.43.0 (compatible with Python 3.9)
- Update Pillow constraint to allow newer versions
- Add automatic share=True for HF Spaces launches
- Regenerate requirements.txt with compatible versions

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

app.py

@@ -72,6 +72,9 @@ class FlowerifyApp:
     def launch(self, **kwargs):
         """Launch the application."""
         demo = self.create_interface()
+        # Add share=True for HF Spaces compatibility
+        if config.is_hf_spaces:
+            kwargs.setdefault('share', True)
         return demo.queue().launch(**kwargs)
 
 def main():

pyproject.toml

@@ -7,8 +7,8 @@ requires-python = ">=3.9"
 dependencies = [
     "accelerate>=1.10.1",
     "diffusers>=0.35.1",
-    "gradio>=4.44.0,<5.0",
-    "pillow>=8.0,<11.0",
+    "gradio>=4.40.0,<4.44.0",
+    "pillow>=8.0,<12.0",
     "python-dotenv>=1.0.0",
     "scikit-learn>=1.3.0,<1.6",
     "torch>=2.8.0",

requirements.txt

@@ -48,7 +48,7 @@ distlib==0.4.0
     # via virtualenv
 exceptiongroup==1.3.0 ; python_full_version < '3.11'
     # via anyio
-fastapi==0.116.1
+fastapi==0.112.4
     # via gradio
 ffmpy==0.6.1
     # via gradio
@@ -66,7 +66,7 @@ fsspec==2025.7.0
     #   gradio-client
     #   huggingface-hub
     #   torch
-gradio==4.44.1
+gradio==4.43.0
     # via flowerfy
 gradio-client==1.3.0
     # via gradio
@@ -308,7 +308,7 @@ six==1.17.0
     # via python-dateutil
 sniffio==1.3.1
     # via anyio
-starlette==0.47.3
+starlette==0.38.6
     # via fastapi
 sympy==1.14.0
     # via torch

uv.lock

@@ -482,16 +482,16 @@ wheels = [
 
 [[package]]
 name = "fastapi"
-version = "0.116.1"
+version = "0.112.4"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "pydantic" },
     { name = "starlette" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/78/d7/6c8b3bfe33eeffa208183ec037fee0cce9f7f024089ab1c5d12ef04bd27c/fastapi-0.116.1.tar.gz", hash = "sha256:ed52cbf946abfd70c5a0dccb24673f0670deeb517a88b3544d03c2a6bf283143", size = 296485, upload-time = "2025-07-11T16:22:32.057Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/92/36/2eafe7d5ef26c1ae8e396cfcde3c9e9c50385f5c486dccdfba420d210c3d/fastapi-0.112.4.tar.gz", hash = "sha256:b1f72e1f72afe7902ccd639ba320abb5d57a309804f45c10ab0ce3693cadeb33", size = 292762, upload-time = "2024-09-05T15:07:26.269Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e5/47/d63c60f59a59467fda0f93f46335c9d18526d7071f025cb5b89d5353ea42/fastapi-0.116.1-py3-none-any.whl", hash = "sha256:c46ac7c312df840f0c9e220f7964bada936781bc4e2e6eb71f1c4d7553786565", size = 95631, upload-time = "2025-07-11T16:22:30.485Z" },
+    { url = "https://files.pythonhosted.org/packages/f5/cf/5b703250f4d85e86ec13ec28bb5ac36790092bfe45e94e414529371d6f11/fastapi-0.112.4-py3-none-any.whl", hash = "sha256:6d4f9c3301825d4620665cace8e2bc34e303f61c05a5382d1d61a048ea7f2f37", size = 93930, upload-time = "2024-09-05T15:07:24.877Z" },
 ]
 
 [[package]]
@@ -539,8 +539,8 @@ dev = [
 requires-dist = [
     { name = "accelerate", specifier = ">=1.10.1" },
     { name = "diffusers", specifier = ">=0.35.1" },
-    { name = "gradio", specifier = ">=4.44.0,<5.0" },
-    { name = "pillow", specifier = ">=8.0,<11.0" },
+    { name = "gradio", specifier = ">=4.40.0,<4.44.0" },
+    { name = "pillow", specifier = ">=8.0,<12.0" },
     { name = "python-dotenv", specifier = ">=1.0.0" },
     { name = "scikit-learn", specifier = ">=1.3.0,<1.6" },
     { name = "torch", specifier = ">=2.8.0" },
@@ -631,7 +631,7 @@ wheels = [
 
 [[package]]
 name = "gradio"
-version = "4.44.1"
+version = "4.43.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiofiles" },
@@ -665,9 +665,9 @@ dependencies = [
     { name = "urllib3" },
     { name = "uvicorn", marker = "sys_platform != 'emscripten'" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/f1/aa/604fcd261714ae72d4c5cb2549f275a25a75570d08148c088560d4ebcd47/gradio-4.43.0.tar.gz", hash = "sha256:0d510e98b7fcb5d829fdc9452dcfef9f060c86130c9e85a539b9e709ba460823", size = 28307978, upload-time = "2024-09-06T01:22:53.512Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/70/cd/b5a61e6c5fba0daad1b76dae9ebd0cc6e127be1cc20e19175ba6de2c9c3a/gradio-4.43.0-py3-none-any.whl", hash = "sha256:a8a785af95b7985d1d17287b1f79add3c913ed79180c4b89ef30cea375329bb9", size = 18067318, upload-time = "2024-09-06T01:22:49.102Z" },
 ]
 
 [[package]]
@@ -2667,15 +2667,15 @@ wheels = [
 
 [[package]]
 name = "starlette"
-version = "0.47.3"
+version = "0.38.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
-    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.10'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/15/b9/cc3017f9a9c9b6e27c5106cc10cc7904653c3eec0729793aec10479dd669/starlette-0.47.3.tar.gz", hash = "sha256:6bc94f839cc176c4858894f1f8908f0ab79dfec1a6b8402f6da9be26ebea52e9", size = 2584144, upload-time = "2025-08-24T13:36:42.122Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/42/b4/e25c3b688ef703d85e55017c6edd0cbf38e5770ab748234363d54ff0251a/starlette-0.38.6.tar.gz", hash = "sha256:863a1588f5574e70a821dadefb41e4881ea451a47a3cd1b4df359d4ffefe5ead", size = 2569491, upload-time = "2024-09-22T17:01:45.422Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/b7/9c/93f7bc03ff03199074e81974cc148908ead60dcf189f68ba1761a0ee35cf/starlette-0.38.6-py3-none-any.whl", hash = "sha256:4517a1409e2e73ee4951214ba012052b9e16f60e90d73cfb06192c19203bbb05", size = 71451, upload-time = "2024-09-22T17:01:43.076Z" },
 ]
 
 [[package]]