How do i change midarrow to rightarrow

[JackEnzo]

Hello dear Mr. Haris Iqbal ,i want change '\midarrow' to '\rightarrow' as follows,but look it doesn't work.

def to_connection( of, to):
return r"""
\draw [connection] ("""+of+"""-east) -- node {\rightarrow} ("""+to+"""-west);
"""

[LauraChow]

def to_connection( of, to):
return r"""
\draw [connection] ("""+of+"""-east) -- ("""+to+"""-west) node {\midarrow};
"""
It worked for me.