[pdal] reader.ept error - Could read from

[Pearson, Scott]

Dear PDA folks,

I have an error using readers.ept in a PDAL pipeline.  Using instructions on the Quickstart page<https://pdal.io/en/2.7.2/quickstart.html>, PDAL (v. 2.7.2) is installed using miniconda (conda v. 24.5.0) and applied updates were applied to conda and pdal installations.  The "pdal info autzen.laz -p 0" command works, so I've assume that the PDAL install was successful.

When I run "pdal pipeline Plot_176612216020004.json -debug", I receive this output and error:
"(PDAL Debug) Debugging...
(pdal pipeline readers.ept Debug) PDAL: readers.ept: Could not read from s3-us-west-2.amazonaws.com/usgs-lidar-public/USGS_LPC_TN_27County_blk4_2015_LAS_2018/ept.json "

The contents of Plot_176612216020004.json are:
[
  {
    "tag": "ept_reader",
    "type": "readers.ept",
    "bounds": "([ -9423306.45485711 , -9421847.59871605 ],[ 4175665.92739632 , 4177131.3660114 ])",
    "filename": https://s3-us-west-2.amazonaws.com/usgs-lidar-public/USGS_LPC_TN_27County_blk4_2015_LAS_2018/ept.json,
    "resolution": "0.01",
    "threads": "4"
  },
  {
    "tag": "las_writer",
    "type": "writers.las",
    "filename": "USGS_LPC_TN_27County_blk4_2015_LAS_2018_176612216020004.laz",
    "compression": "laszip",
    "extra_dims": "all",
    "forward": "header, vlr",
    "offset_x": "auto",
    "offset_y": "auto",
    "offset_z": "auto",
    "scale_x": "0.01",
    "scale_y": "0.01",
    "scale_z": "0.01"
  }
]

I can access the etp.json file listed under filename using my browser and also using a curl command from the conda prompt.
I have also tried the Iowa example from this tutorial and receive the same "Could not read from ...." error.

Any suggestions for solving this problem?  My overall goal is to download lidar point clouds for a set of 200 field plots (3 ha each).

Thank you,
Scott
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