Issue 1:
My issue is about ...

Reproducing code example:

Building scipy 1.4.1 with PyPy3.6 7.3.0 on linux-x86_64 with gcc 7.3.0, numpy 1.18.1 pybind11 2.4.3 and cython 0.29.15 fails.

Error message:

creating build/temp.linux-x86_64-3.6/scipy/_lib/_uarray
compile options: '-I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c'
extra options: '-std=c++14 -fvisibility=hidden'
x86_64-conda_cos6-linux-gnu-c++: scipy/_lib/_uarray/_uarray_dispatch.cxx
In file included from /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include/Python.h:79:0,
from scipy/_lib/_uarray/_uarray_dispatch.cxx:2:
scipy/_lib/_uarray/_uarray_dispatch.cxx: In member function '{anonymous}::py_func_args {anonymous}::Function::replace_dispatchables(PyObject*, PyObject*, PyObject*, PyObject*)':
scipy/_lib/_uarray/_uarray_dispatch.cxx:722:8: error: base operand of '->' has non-pointer type '{anonymous}::py_ref'
if (!PyTuple_Check(res) || PyTuple_Size(res) != 2)
^
scipy/_lib/_uarray/_uarray_dispatch.cxx:734:8: error: base operand of '->' has non-pointer type '{anonymous}::py_ref'
if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
^
scipy/_lib/_uarray/_uarray_dispatch.cxx:734:36: error: base operand of '->' has non-pointer type '{anonymous}::py_ref'
if (!PyTuple_Check(new_args) || !PyDict_Check(new_kwargs))
^
error: Command "/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_build_env/bin/x86_64-conda_cos6-linux-gnu-c++ -DNDEBUG -O2 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/work=/usr/local/src/conda/scipy-1.4.1 -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place=/usr/local/src/conda-prefix -DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem /home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -fPIC -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/site-packages/numpy/core/include -I/home/conda/feedstock_root/build_artifacts/scipy_1584945645441/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_place/include -c scipy/_lib/_uarray/_uarray_dispatch.cxx -o build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o -MMD -MF build/temp.linux-x86_64-3.6/scipy/_lib/_uarray/_uarray_dispatch.o.d -std=c++14 -fvisibility=hidden" failed with exit status 1

Scipy/Numpy/Python version information:

Building scipy 1.4.1 with PyPy3.6 7.3.0 on linux-x86_64 with gcc 7.3.0, numpy 1.18.1 pybind11 2.4.3 and cython 0.29.15 fails.

Issue 2:
Issue with current documentation:

Broken formula: https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.sqeuclidean.html#scipy.spatial.distance.sqeuclidean

Missing firmula: https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.seuclidean.html#scipy.spatial.distance.seuclidean

Idea or request for content:

The next page "pdist" offers these same formulas: https://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.distance.pdist.html

Additional context (e.g. screenshots, GIFs)

No response