Publish first version

app/models/impulse.py

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+from .. import db
+from datetime import datetime
+
+
+class Impulse(db.Model):
+
+    id = db.Column(db.Integer, primary_key=True)
+    power = db.Column(db.Integer, nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.now, nullable=False)
+
+    def __repr__(self):
+        return 'Impulse {} with power of {} watts at {}'.format(self.name, self.power, self.created_at)