TEST: Make test case work with both lpython, python

Author: ubaidsk

integration_tests/lnn/perceptron/perceptron_main.py

@@ -43,15 +43,15 @@ def normalize_input_vectors(input_vectors: list[list[f64]]):
 
 
 def get_inp_vec_with_bias(a: list[f64]) -> list[f64]:
-    b: list[f64]
+    b: list[f64] = []
     i: i32
     for i in range(len(a)):
         b.append(a[i])
     b.append(1.0)
     return b
 
 def init_weights(size: i32) -> list[f64]:
-    weights: list[f64]
+    weights: list[f64] = []
     i: i32
     for i in range(size):
         weights.append(0.0)

integration_tests/lpdraw/draw.py

@@ -6,7 +6,7 @@
 
 def Pixel(H: i32, W: i32, Screen: i32[H, W], x: i32, y: i32) -> None:
     if x >= 0 and y >= 0 and x < W and y < H:
-        Screen[H - 1 - y, x] = 255
+        Screen[i32(int(H - 1 - y)), i32(int(x))] = 255
 
 def Clear(H: i32, W: i32, Screen: i32[H, W]):
     i: i32

integration_tests/test_pkg_lnn.py

@@ -50,7 +50,7 @@ def plot_graph(p: Perceptron, input_vectors: list[list[f64]], outputs: list[i32]
     Display(Height, Width, Screen)
 
 def main0():
-    p: Perceptron
+    p: Perceptron = Perceptron(0, [0.0], 0.0, 0, 0.0, 0.0, 0)
     init_perceptron(p, 2, 0.05, 10000, 90.0)
     print_perceptron(p)
     print("=================================")