Update app.py

app.py

@@ -4,15 +4,14 @@ import re
 import subprocess
 import sys
 
-try:
-    from transformers import pipeline
-except ModuleNotFoundError:
-    subprocess.check_call([sys.executable, "-m", "pip", "install", 'transformers'])
-    subprocess.check_call([sys.executable, "-m", "pip", "install", 'keras==2.4.3'])
-    subprocess.check_call([sys.executable, "-m", "pip", "install", 'tensorflow==2.2.0'])
-
-finally:
-    from transformers import pipeline
+subprocess.check_call([sys.executable, "-m", "pip", "uninstall", 'tensorflow'])
+subprocess.check_call([sys.executable, "-m", "pip", "install", 'tensorflow==2.2.0'])
+subprocess.check_call([sys.executable, "-m", "pip", "uninstall", 'transformers'])
+subprocess.check_call([sys.executable, "-m", "pip", "install", 'transformer==3.3.1'])
+subprocess.check_call([sys.executable, "-m", "pip", "install", 'keras==2.4.3'])
+
+
+from transformers import pipeline