[pdal] To install python-pdal in centos 7

[pinky p]

OS: centos7 (without root access)
python version 3.6.8
tensorflow-gpu version:1.13.1
I wanted to install python version of pdal in this environment.
tried
pip install pdal - it failed
conda install -c conda-forge python-pdal
It shows the version issue.
Package packaging conflicts for:
python-pdal -> packaging
Package libffi conflicts for:
python=3.6.8 -> libffi[version='>=3.2.1,<4.0a0']
Package libgcc-ng conflicts for:
python-pdal -> libgcc-ng[version='>=7.3.0']
python=3.6.8 -> libgcc-ng[version='>=7.3.0']
Package libgdal conflicts for:
python-pdal ->
libgdal[version='>=2.3.2,<2.4.0a0|>=2.4.0,<2.5.0a0|>=2.4.1,<2.5.0a0|>=2.4.2,<2.5.0a0']
Package readline conflicts for:
python=3.6.8 -> readline[version='>=7.0,<8.0a0']
Package pdal conflicts for:
python-pdal ->
pdal[version='>=1.7.1,<1.8.0a0|>=1.7.2,<1.8.0a0|>=1.8.0,<1.9.0a0|>=1.9.0,<1.10.0a0|>=1.9.1,<1.10.0a0']
Package xz conflicts for:
python=3.6.8 -> xz[version='>=5.2.4,<6.0a0']
Package pip conflicts for:
python=3.6.8 -> pip
Package zlib conflicts for:
python=3.6.8 -> zlib[version='>=1.2.11,<1.3.0a0']
Package libstdcxx-ng conflicts for:
python-pdal -> libstdcxx-ng[version='>=4.9|>=7.3.0']
python=3.6.8 -> libstdcxx-ng[version='>=7.3.0']
Package gdal conflicts for:
python-pdal ->
gdal[version='>=2.3.2,<2.4.0a0|>=2.4.0,<2.5.0a0|>=2.4.1,<2.5.0a0|>=2.4.2,<2.5.0a0']
Package sqlite conflicts for:
python=3.6.8 -> sqlite[version='>=3.26.0,<4.0a0']
Package tk conflicts for:
python=3.6.8 -> tk[version='>=8.6.8,<8.7.0a0']
Package ncurses conflicts for:
python=3.6.8 -> ncurses[version='>=6.1,<7.0a0']
Package openssl conflicts for:
python=3.6.8 -> openssl[version='>=1.1.1a,<1.1.2a']
Package numpy conflicts for:
python-pdal -> numpy[version='>=1.14.6,<2.0a0|>=1.9.3,<2.0a0']

 But inorder to has this tensorflow-gpu working I have set the following
python version. Please help me to solve this issue.
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