upgrade python version

Author: philschmid

.github/workflows/integ-test.yml

@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.7
+    - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
-        python-version: 3.7
+        python-version: 3.8
     - name: Install Python dependencies
       run: pip install -e .[test,dev]
     - name: Run Integration Tests

.github/workflows/quality.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.7
+    - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
-        python-version: 3.7
+        python-version: 3.8
     - name: Install Python dependencies
       run: pip install -e .[quality]
     - name: Run Quality check

.github/workflows/unit-test.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.7
+    - name: Set up Python 3.8
       uses: actions/setup-python@v2
       with:
-        python-version: 3.7
+        python-version: 3.8
     - name: Install Python dependencies
       run: pip install -e .[test,dev]
     - name: Run Unit Tests

setup.py

@@ -55,7 +55,7 @@
 
 # Hugging Face specific dependencies
 extras["transformers"] = ["transformers[sklearn,sentencepiece]>=4.17.0"]
-extras["diffusers"] = ["diffusers==0.23.1"]
+extras["diffusers"] = ["diffusers>=0.23.0"]
 
 # framework specific dependencies
 extras["torch"] = ["torch>=1.8.0", "torchaudio"]