Install Timm package (#1207)

http://b/266100526

Author: Philmod

Dockerfile.tmpl

@@ -524,6 +524,7 @@ RUN pip install flashtext && \
     pip install onnx && \
     pip install tables && \
     pip install openpyxl && \
+    pip install timm && \
     /tmp/clean-layer.sh
 
 # Download base easyocr models.

tests/test_timm.py

@@ -0,0 +1,9 @@
+import unittest
+
+import timm
+
+
+class TestTimm(unittest.TestCase):
+    def test_list_models(self):
+        models = timm.list_models()
+        self.assertGreater(len(models), 0)