Try setting secure variable again

.travis.yml

@@ -5,11 +5,10 @@ python:
 - '3.7'
 - '3.8'
 env:
-  matrix:
+  global:
   - NODE_VERSION='10'
   - DOCKER_USERNAME='observatorycontrolsystem'
-  global:
-    secure: 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
+  - secure: AX3DL8REMuR1/RFJZiKf6UfvG6zheblZHYQ8BxDpQPH1NvbKvyLgKzFZN5v38JUvU49Yjj4v/NNRiqojF/f+bSoEqV0cKXVH1JxEFjfUHB1RadYFA6roZWmkPjCMj6Tkij2n5zDxSybyhHf3xTQ2MpwIRqYs/+nChHhYEO7g7e96lKMntj8U7E1eDoMfN32qJAYx8Q88YZNoDlZytsdW8Y1308P2wMBPcGjEFSpcO6DhkxkHupI5vTULyd99H4420fZfo7WF5GizmGAp1vrjd9/fDUcrqdrxjj+U8i2pdXhaNVeWEj5oEa4ZvNWsCxTDf7oDEoyPjVmQhbmeI0fsJeHhDX/cEJRwb72lI9AzWEruh10eh4v+EU191Ik6DFq/eV/44CrZwIeTSY4BKZ9M3/K0prOQmn+pkbdu1A+aaGEwZkR8ij4AdL8vF/R2Pcn9ySieuzkEEGS+h6/GpbZRH1GOVZwx7K5A9EoIxmrJnfyX88TyZq0I7cAt30wV/CToxyHflv2RoJJm00+WhRSwEPOc5RCZTFtI6HPoT9Kp0CX5q3MgrYnUYWl4HAKa4IbGXXA/jXOVdwAXMjlZLYvsDGjvuGdqI1wiuXy4GZHdzhth5xo0QL45kSP3p89sy7sdqsxgK+95UFIG/VXziwqsoDmpMm/mcNYp4jslr71ZQs4=
 before_install:
 - nvm install $NODE_VERSION
 addons: