agnesnatasya commented on issue #695:
URL: https://github.com/apache/singa/issues/695#issuecomment-628795899
Hi @dcslin thank you so much for replying to my issue. Yes, I did not create
the virtual environment properly. Now, I have created the virtual environment
using
`conda create -n singa python=3.6`
and I entered this command afterwards
`conda install -c nusdbsystem -c conda-forge singa=3.0.0`
I do not use singa-gpu=3.0.0 like you because if gave me a
PackageNotFoundError as it is not listed in my channel, singa=3.0.0 works for
me though.
However, it still gave me a compatibility error.
```
UnsatisfiableError: The following specifications were found to be
incompatible with each other:
Package libcxx conflicts for:
python=3.6 -> libcxx[version='>=4.0.1']
singa=3.0.0 -> libcxx[version='>=9.0.1']
Package libopenblas conflicts for:
singa=3.0.0 -> libopenblas=0.3.9
Package numpy conflicts for:
singa=3.0.0 -> numpy[version='>=1.16,<1.17.0a0']
Package tk conflicts for:
python=3.6 -> tk[version='8.6.*|>=8.6.7,<8.7.0a0|>=8.6.8,<8.7.0a0']
Package zlib conflicts for:
python=3.6 -> zlib[version='>=1.2.11,<1.3.0a0']
Package glog conflicts for:
singa=3.0.0 -> glog[version='>=0.3.5,<0.4.0a0']
Package libprotobuf conflicts for:
singa=3.0.0 -> libprotobuf=3.10.0
Package python_abi conflicts for:
singa=3.0.0 -> python_abi[version='3.6.*|3.7.*',build='*_cp37m|*_cp36m']
Package tqdm conflicts for:
singa=3.0.0 -> tqdm
Package pip conflicts for:
python=3.6 -> pip
Package deprecated conflicts for:
singa=3.0.0 -> deprecated=1.2.7
Package sqlite conflicts for:
python=3.6 ->
sqlite[version='>=3.20.1,<4.0a0|>=3.22.0,<4.0a0|>=3.23.1,<4.0a0|>=3.24.0,<4.0a0|>=3.25.2,<4.0a0|>=3.26.0,<4.0a0|>=3.29.0,<4.0a0|>=3.30.1,<4.0a0|>=3.31.1,<4.0a0']
Package xz conflicts for:
python=3.6 -> xz[version='>=5.2.3,<6.0a0|>=5.2.4,<6.0a0|>=5.2.5,<6.0a0']
Package readline conflicts for:
python=3.6 -> readline[version='7.*|>=7.0,<8.0a0|>=8.0,<9.0a0']
Package libffi conflicts for:
python=3.6 -> libffi[version='3.2.*|>=3.2.1,<3.3a0|>=3.3,<3.4.0a0']
Package future conflicts for:
singa=3.0.0 -> future
Package ncurses conflicts for:
python=3.6 -> ncurses[version='>=6.0,<7.0a0|>=6.1,<7.0a0|>=6.2,<7.0a0']
Package onnx conflicts for:
singa=3.0.0 -> onnx=1.6.0
Package dnnl conflicts for:
singa=3.0.0 -> dnnl[version='>=1.1,<1.2.0a0']
Package openssl conflicts for:
python=3.6 ->
openssl[version='1.0.*|1.0.*,>=1.0.2l,<1.0.3a|>=1.0.2m,<1.0.3a|>=1.0.2n,<1.0.3a|>=1.0.2o,<1.0.3a|>=1.1.1a,<1.1.2a|>=1.1.1c,<1.1.2a|>=1.1.1d,<1.1.2a|>=1.1.1e,<1.1.2a|>=1.1.1g,<1.1.2a']
Package pillow conflicts for:
singa=3.0.0 -> pillow
```
I received similar long error message when I configure the python version of
the virtual environment to be 3.7.
Thus, I tried to create the virtual environment using package version
according to what singa wants, such as
```
conda install -n singa python=3.6 libcxx=9.0.1 libopenblas=0.3.9 numpy=1.16
tk=8.6.7 zlib=1.2.11 glog=0.3.5 tqdm pip deprecated=1.2.7 sqlite=3.20.1
xz=5.2.3 readline=7.0 libffi=3.2.1 future ncurses=6.1 openssl=1.0.2 pillow
```
It then give me some other incompatibility error like this
```
UnsatisfiableError: The following specifications were found to be
incompatible with a past
explicit spec that is not an explicit spec in this operation (libopenblas):
- libopenblas=0.3.9
- numpy=1.16 -> mkl_random[version='>=1.0.2,<2.0a0'] ->
numpy-base[version='>=1.0.2,<2.0a0,>=1.0.4,<2.0a0'] ->
libopenblas[version='>=0.3.3,<1.0a0']
The following specifications were found to be incompatible with each other:
Package libgfortran conflicts for:
libgfortran
numpy=1.16 -> mkl_random[version='>=1.0.2,<2.0a0'] ->
numpy-base[version='>=1.0.2,<2.0a0,>=1.0.4,<2.0a0'] ->
libopenblas[version='>=0.3.3,<1.0a0'] ->
libgfortran[version='>=3.0.1,<4.0.0.a0']
libopenblas=0.3.9 -> libgfortran[version='>=4.0.0,<5.0.0.a0']
```
Really apologise for the trouble, do you have any idea why this is happening?
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