def Zeigler_Nichols():
wu=sc.optimize.fmin_bfgs(Wu_180,np.pi,fprime=Wu_180)
mod=G_w(wu)
Ku=1/mod
Pu=2*np.pi/wu
Kc=Ku/2.2
Tc=np.abs(Pu/1.2)
Kc=np.number([Kc])
Tc=np.number([Tc])
Kz=[Kc*Tc,1]
Kp=[Tc,0]
return Kc,Tc
return 1.0
np.int8(A()) # E: incompatible type
np.int16(A()) # E: incompatible type
np.int32(A()) # E: incompatible type
np.int64(A()) # E: incompatible type
np.uint8(A()) # E: incompatible type
np.uint16(A()) # E: incompatible type
np.uint32(A()) # E: incompatible type
np.uint64(A()) # E: incompatible type
np.void("test") # E: incompatible type
np.generic(1) # E: Cannot instantiate abstract class
np.number(1) # E: Cannot instantiate abstract class
np.integer(1) # E: Cannot instantiate abstract class
np.inexact(1) # E: Cannot instantiate abstract class
np.character("test") # E: Cannot instantiate abstract class
np.flexible(b"test") # E: Cannot instantiate abstract class
np.float64(value=0.0) # E: Unexpected keyword argument
np.int64(value=0) # E: Unexpected keyword argument
np.uint64(value=0) # E: Unexpected keyword argument
np.complex128(value=0.0j) # E: Unexpected keyword argument
np.str_(value='bob') # E: No overload variant
np.bytes_(value=b'test') # E: No overload variant
np.void(value=b'test') # E: Unexpected keyword argument
np.bool_(value=True) # E: Unexpected keyword argument
np.datetime64(value="2019") # E: No overload variant
np.timedelta64(value=0) # E: Unexpected keyword argument