old_contents: # pylint: disable-msg = unused-import
  """
  *Main PhiFlow import:* `from phi.flow import *`
  
  Imports important functions and classes from
  `math`, `geom`, `field`, `physics` and `vis` (including sub-modules)
  as well as the modules and sub-modules themselves.
  
  See `phi.tf.flow`, `phi.torch.flow`, `phi.jax.flow`.
  """
  
  # Modules
  import numpy
  import numpy as np
  import phi
  from . import math, geom, field, physics, vis
  from .math import extrapolation, backend
  from .physics import fluid, flip, advect, diffuse
  
  # Classes
  from .math import DType, Solve
  from .geom import Geometry, Sphere, Box, Cuboid
  from .field import Grid, CenteredGrid, StaggeredGrid, GeometryMask, SoftGeometryMask, HardGeometryMask, Noise, PointCloud, Scene
  from .vis import view, Viewer, control
  from .physics._boundaries import Obstacle
  
  # Constants
  from .math import PI, INF, NAN
  
  # Functions
  from .math import wrap, tensor, spatial, channel, batch, instance
  from .geom import union
  from .vis import show
  
  # Exceptions
  from .math import ConvergenceException, NotConverged, Diverged
  
new_contents: # pylint: disable-msg = unused-import
  """
  *Main PhiFlow import:* `from phi.flow import *`
  
  Imports important functions and classes from
  `math`, `geom`, `field`, `physics` and `vis` (including sub-modules)
  as well as the modules and sub-modules themselves.
  
  See `phi.tf.flow`, `phi.torch.flow`, `phi.jax.flow`.
  """
  
  # Modules
  import numpy
  import numpy as np
  import phi
  from . import math, geom, field, physics, vis
  from .math import extrapolation, backend
  from .physics import fluid, flip, advect, diffuse
  
  # Classes
  from .math import Tensor, DType, Solve
  from .geom import Geometry, Sphere, Box, Cuboid
  from .field import Grid, CenteredGrid, StaggeredGrid, GeometryMask, SoftGeometryMask, HardGeometryMask, Noise, PointCloud, Scene
  from .vis import view, Viewer, control
  from .physics._boundaries import Obstacle
  
  # Constants
  from .math import PI, INF, NAN
  
  # Functions
  from .math import wrap, tensor, spatial, channel, batch, instance
  from .geom import union
  from .vis import show
  
  # Exceptions
  from .math import ConvergenceException, NotConverged, Diverged
  
subject: Add Tensor to standard imports