Enable Travis tests for sketchy

PiperOrigin-RevId: 368237652

.travis.yml

@@ -22,6 +22,7 @@ env:
     - PROJECT="option_keyboard"
     # - PROJECT="polygen"  # TODO(b/184847339): Fix and re-enable
     # - PROJECT="scratchgan"  # TODO(b/184856293): Fix and enable
+    - PROJECT="sketchy"
     - PROJECT="transporter"
     - PROJECT="tvt"
 before_script:

sketchy/run.sh

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-python3 -m venv .sketchy_env
-source .sketchy_env/bin/activate
+python3 -m venv /tmp/sketchy_env
+source /tmp/sketchy_env/bin/activate
 pip install --upgrade pip
 pip install -r sketchy/requirements.txt
 python -m sketchy.dataset_example --noshow_images