[UPD] Remove scrypt references from installation instructions, pycryp…

…todome works just as fast

docs/_static/manuals.install.rst

@@ -33,7 +33,7 @@ Then clone the repository and install dependencies:
 
     $ git clone https://github.com/1200wd/bitcoinlib.git
     $ cd bitcoinlib
-    $ python -m pip install .[dev]
+    $ python -m pip install .
 
 You can test your local installation by running all unittests:
 
@@ -42,7 +42,6 @@ You can test your local installation by running all unittests:
     $ python -m unittest
 
 
-
 Package dependencies
 ~~~~~~~~~~~~~~~~~~~~
 
@@ -54,10 +53,6 @@ Required Python Packages, are automatically installed upon installing bitcoinlib
 * numpy
 * pycryptodome
 
-If you want to use BIP38 encrypted private keys, it is strongly advised to install the much faster scrypt library.
-
-``pip install scrypt``
-
 
 Other requirements Linux
 ~~~~~~~~~~~~~~~~~~~~~~~~
@@ -92,11 +87,11 @@ Check for the latest version of the PostgreSQL dev server:
 
 From library root directory install the Python requirements
 
-``pip install -r requirements-dev.txt``
+``python -m pip install .[dev]``
 
 Then run the unittests to see if everything works
 
-``python setup.py test``
+``python -m unittest``
 
 
 
@@ -111,9 +106,6 @@ The fastecdsa library is not enabled at this moment in the windows install, the
 Installation of fastecdsa on Windows is possible but not easy, read https://github.com/AntonKueltz/fastecdsa/issues/11
 for steps you could take to install this library.
 
-If you have problems with installing this library on Windows you could try to use the pycryptodome library instead of
-scrypt. The pycryptodome library is pure Python so it doesn't need any C compilers installed. But this will run slower.
-
 When using Python on Windows it needs to be set to UTF-8 mode. You can do this by adding the PYTHONUTF8=1 to the
 environment variables or use the -X utf8 command line option. Please see
 https://docs.python.org/3/using/windows.html#win-utf8-mode for more information.
@@ -157,21 +149,12 @@ of database changes. So backup database / private keys first and use at your own
 Troubleshooting
 ---------------
 
-When you experience issues with the scrypt package when installing you can try to solve this by installing
-scrypt separately:
-
-.. code-block:: bash
-
-    $ pip uninstall scrypt
-    $ pip install scrypt
-
-Please make sure you also have the Python development and SSL development packages installed, see 'Other requirements'
+Please make sure you have the Python development and SSL development packages installed, see 'Other requirements'
 above.
 
-You can also use pycryptodome or pyscrypt instead of scrypt. Pycryptodome is a pure Python scrypt password-based key
+You can also use pycryptodome, pyscrypt or scrypt. pyscript is a pure Python scrypt password-based key
 derivation library. It works but it is slow when using BIP38 password protected keys.
 
-
 If you run into issues do not hesitate to contact us or file an issue at https://github.com/1200wd/bitcoinlib/issues