def data_gen(): #Data generator. Gives me the anchor.
    counter = 0
    x0 = data_gen.x0
    while counter < 1000:
        counter+=1
        x0-=0.09
        yield x0,(1-counter*0.05)
data_gen.x0=1

def animate_text(data): #Here is where I try to tell my code to refresh
#only the coordinates of the text.
    x0,y0 = data
    text_sample = ax.text(x0,y0,'text here',transform=ax.transAxes,
fontsize=12, color='black',fontstyle='oblique',family='serif')
    return text_sample

#animation part:

ani = animation.FuncAnimation(fig,animate_text,data_gen,blit=True,
interval=50,repeat = False)
plt.show()

File "C:Python27libsite-packagesmatplotlibanimation.py", line 1777,
in _draw_frame
for a in self._drawn_artists:
TypeError: 'Text' object is not iterable